NCBI Conserved Domain Search

Tumor necrosis factor receptor superfamily member 16 (TNFRSF16), also known as p75 neurotrophin receptor (p75NTR) or CD271; TNFRSF16 (also known as nerve growth factor receptor (NGFR) or p75 neurotrophin receptor (p75NTR or p75(NTR)), CD271, Gp80-LNGFR) is a common receptor for both neurotrophins and proneurotrophins, and plays a diverse role in many tissues, including the nervous system. It has been shown to be expressed in various types of stem cells and has been used to prospectively isolate stem cells with different degrees of potency. p75NTR owes its signaling to the recruitment of intracellular binding proteins, leading to the activation of different signaling pathways. It binds nerve growth factor (NGF) and the complex can initiate a signaling cascade which has been associated with both neuronal apoptosis and neuronal survival of discrete populations of neurons, depending on the presence or absence of intracellular signaling molecules downstream of p75NTR (e.g. NF-kB, JNK, or p75NTR intracellular death domain). p75NTR can also bind NGF in concert with the neurotrophic tyrosine kinase receptor type 1 (TrkA) protein where it is thought to modulate the formation of the high-affinity neurotrophin binding complex. On melanoma cell, p75NTR is an immunosuppressive factor, induced by interferon (IFN)-gamma, and mediates down-regulation of melanoma antigens. It can interact with the aggregated form of amyloid beta (Abeta) peptides, and plays an important role in etiopathogenesis of Alzheimer's disease by influencing protein tau hyper-phosphorylation. p75(NTR) is involved in the formation and progression of retina diseases; its expression is induced in retinal pigment epithelium (RPE) cells and its knockdown rescues RPE cell proliferation activity and inhibits RPE apoptosis induced by hypoxia. It can therefore be a potential therapeutic target for RPE hypoxia or oxidative stress diseases.

Pssm-ID: 276921 [Multi-domain] Cd Length: 159 Bit Score: 230.27 E-value: 9.72e-75

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  33 ETCSTGMYTHSGECCKACNLGEGVAQPCGANQTVCEPCLDSVTFSDVVSATEPCKPCTECLGLQSMSAPCVEADDAVCRC 112
Cdd:cd13416   1 EACPSGQYTSSGECCEQCPPGEGVARPCGDNQTVCEPCLDGVTFSDVVSHTEPCQPCTRCPGLMSMRAPCTATHDTVCEC 80

                        90       100       110       120       130       140       150
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 70794803 113 SYGYYQDEETGRCEACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVCEDTERQLRECTPWADAEC 191
Cdd:cd13416  81 AYGYYLDEDSGTCEPCTVCPPGQGVVQSCGPNQDTVCEACPEGTYSDEDSSTDPCLPCTVCEDGEVELRECTPVSDTVC 159

Death domain of p75 Neurotrophin Receptor; Death Domain (DD) found in p75 neurotrophin receptor (p75NTR, NGFR, TNFRSF16). p75NTR binds members of the neurotrophin (NT) family including nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and NT3, among others. It contains an NT-binding extracellular region that bears four cysteine-rich repeats, a transmembrane domain, and an intracellular DD. p75NTR plays roles in the immune, vascular, and nervous systems, and has been shown to promote cell death or survival, and to induce neurite outgrowth or collapse depending on its ligands and co-receptors. In general, DDs are protein-protein interaction domains found in a variety of domain architectures. Their common feature is that they form homodimers by self-association or heterodimers by associating with other members of the DD superfamily including CARD (Caspase activation and recruitment domain), DED (Death Effector Domain), and PYRIN. They serve as adaptors in signaling pathways and can recruit other proteins into signaling complexes.

Pssm-ID: 260025 Cd Length: 80 Bit Score: 106.22 E-value: 3.57e-28

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 343 PLTKREEVEKLLN----GDTWRHLAGELGYQPEHIDSFTHEACPVRALLASWGAQDSATLDALLAALRRIQRADIVESLC 418
Cdd:cd08311   1 PPHKQEEVEKLLNagreGSDWRALAGELGYSAEEIDSFAREADPCRALLTDWSAQDGATLGVLLTALRKIGRDDIVEILQ 80

Tumor necrosis factor receptor member 16 trans-membrane domain; This is the helical trans-membrane domain found in tumor necrosis factor receptor superfamily member 16 (also known as p75 neurotrophin receptor, and nerve growth factor receptor-NGFR). p75 plays prominent biological functions such the induction of cell death, and it demonstrates several other activities, like survival, axonal growth, and cell migration. The trans-membrane (TM) domain of p75 stabilizes the receptor dimers through a disulfide bond, essential for the NGF signalling Structural and mutational analysis indicate that Cys257 plays the key role in this stabilization process. Furthermore, although the p75-C257A mutant is still capable to form dimers and bind to NGF, it is unable to transduce the signals triggered by NGF binding in some cell signalling paradigms.

Pssm-ID: 436489 Cd Length: 38 Bit Score: 80.24 E-value: 3.74e-19

                          10        20        30
                  ....*....|....*....|....*....|....*...
gi 70794803   249 GTADNLIPVYCSILAAVVVGLVAYIAFKRWNSCKQNKQ 286
Cdd:pfam18422   1 GTSDNLIPVYCSILAAVVLGLVAYIAFKRWNSCKQNKQ 38

Tumor necrosis factor receptor superfamily member 5 (TNFRSF5), also known as CD40; TNFRSF5 (commonly known as CD40 and also as CDW40, p50, Bp50) is widely expressed in diverse cell types including B lymphocytes, dendritic cells, platelets, monocytes, endothelial cells, and fibroblasts. It is essential in mediating a wide variety of immune and inflammatory responses, including T cell-dependent immunoglobulin class switching, memory B cell development, and germinal center formation. Its natural immunomodulating ligand is CD40L, and a primary defect in the CD40/CD40L system is associated with X-linked hyper-IgM (XHIM) syndrome. It is also involved in tumorigenesis; CD40 expression is significantly higher in gastric carcinomas and it is associated with the lymphatic metastasis of cancer cells and their tumor node metastasis (TNM) classification. Upregulated levels of CD40/CD40L on B cells and T cells may play an important role in the immune pathogenesis of breast cancer. Consequently, the CD40/CD40L system serves as a link between tumorigenesis, atherosclerosis, and the immune system, and offers a potential target for drug therapy for related diseases, such as cancer, atherosclerosis, diabetes mellitus, and immunological rejection.

Pssm-ID: 276912 [Multi-domain] Cd Length: 161 Bit Score: 70.12 E-value: 2.57e-14

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  35 CSTGMYTHSGECCKACNLGEGVAQPC-GANQTVCEPClDSVTFSDVVSATEPCKP---CTECLGLQSMSaPCVEADDAVC 110
Cdd:cd13407   1 CREKQYLHNGRCCSLCPPGQKLVSDCtEATDTECLPC-EEGEFQDTWNRERHCHQhryCDPNLGLRVQT-EGTAETDTTC 78

                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 111 RCSYGYYQDEETgrCEAC---SVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVCEDTE-RQLRECTPW 186
Cdd:cd13407  79 TCQEGQHCTSEA--CETCalhTSCKPGFGVKQIATGVSDTICEPCPVGFFSNVSSAFEKCHPWTSCETKGlVELQAGTNK 156


                ....*
gi 70794803 187 ADAEC 191
Cdd:cd13407 157 TDVVC 161

Tumor necrosis factor receptor superfamily member 1A (TNFRSF1A) in teleosts; also known as TNFR1; This subfamily of TNFRSF1 ((also known as type I TNFR, TNFR1, DR1, TNFRSF1A, CD120a, p55) is found in teleosts. It binds TNF-alpha, through the death domain (DD), and activates NF-kappaB, mediates apoptosis and activates signaling pathways controlling inflammatory, immune, and stress responses. It mediates signal transduction by interacting with antiapoptotic protein BCL2-associated athanogene 4 (BAG4/SODD) and adaptor proteins TRAF2 and TRADD that play regulatory roles. The human genetic disorder called tumor necrosis factor associated periodic syndrome (TRAPS), or periodic fever syndrome, is associated with germline mutations of the extracellular domains of this receptor, possibly due to impaired receptor clearance. Serum levels of TNFRSF1A are elevated in schizophrenia and bipolar disorder, and high levels are also associated with cognitive impairment and dementia. Knockout studies in zebrafish embryos have shown that a signaling balance between TNFRSF1A and TNFRSF1B is required for endothelial cell integrity. TNFRSF1A signals apoptosis through caspase-8, whereas TNFRSF1B signals survival via NF-kappaB in endothelial cells. Thus, this apoptotic pathway seems to be evolutionarily conserved, as TNFalpha promotes apoptosis of human endothelial cells and triggers caspase-2 and P53 activation in these cells via TNFRSF1A.

Pssm-ID: 276930 [Multi-domain] Cd Length: 150 Bit Score: 64.82 E-value: 1.60e-12

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  35 CSTGMY-THSGECCKACNLGEGVAQPCGANQT--VCEPClDSVTFSDVVSATEPCKPCTEC-LGLQSMSAPCVEADDAVC 110
Cdd:cd15834   1 CLDSEYlSENGICCNKCHPGYKLKEECTAPGErsQCTPC-PEGTYLEQINYSPNCRRCTLCkVKNEEEVSPCKKSSNTVC 79

                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 70794803 111 RCSYGYYQ---DEETGRCEACSVCGVGSGLVFSCQDKQNTVCeECPEGTYSDEANhvdpCLPCTVCED 175
Cdd:cd15834  80 RCKKGYYKsriDSETRECLKCKTCGPGEIEIQPCTPESNTVC-ECKDNYYRNNNK----CKPCQKCSL 142

Tumor necrosis factor receptor superfamily member 26 (TNFRSF26), also known as tumor necrosis factor receptor homolog 3 (TNFRH3); TNFRSF26 (also known as tumor necrosis factor receptor homolog 3 (TNFRH3) or TNFRSF24) is predominantly expressed in embryos and lymphoid cell types, along with its closely related TNFRSF22 and TNFRSF23 orthologs, and is developmentally regulated. Unlike TNFRSF22/23, TNFRSF26 does not serve as a TRAIL decoy receptor; it remains an orphan receptor.

Pssm-ID: 276933 [Multi-domain] Cd Length: 118 Bit Score: 62.77 E-value: 4.51e-12

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  35 CSTGMYTHSGECCKACNLGEGVAQPCGANQTV--CEPClDSVTFSDVVSATEPCKPCTECLGLQSMSAPCVEADDAVCRC 112
Cdd:cd15837   1 CGPGEYKSANLCCQLCPAGHYVSEPCQENHGVgeCAPC-EPGTFTAHPNGETSCFPCSQCRDDQEVVAECSATSDRQCQC 79

                        90       100       110
                ....*....|....*....|....*....|....*....
gi 70794803 113 SYGYYQDEETG--RCEACSVCGVGSGLVFSCQDKQNTVC 149
Cdd:cd15837  80 KQGHFYCDENCleSCFRCSRCPGGRVVLQPCNATRDTVC 118

Tumor necrosis factor receptor superfamily (TNFRSF); Members of TNFR superfamily (TNFRSF) interactions with TNF superfamily (TNFSF) ligands (TNFL) control key cellular processes such as differentiation, proliferation, apoptosis, and cell growth. Dysregulation of these pathways has been shown to result in a wide range of pathological conditions, including autoimmune diseases, inflammation, cancer, and viral infection. There are 29 very diverse family members of TNFRSF reported in humans: 22 are type I transmembrane receptors (single pass with the N terminus on extracellular side of the cell membrane) and have a clear signal peptide; the remaining 7 members are either type III transmembrane receptors (single pass with the N terminus on extracellular side of the membrane but no signal sequence; TNFR13B, TNFR13C, TNFR17, and XEDAR), or attached to the membrane via a glycosylphosphatidylinositol (GPI) linker (TNFR10C), or secreted as soluble receptors (TNFR11B and TNFR6B). All TNFRs contain relatively short cysteine-rich domains (CRDs) in the ectodomain, and are involved in interaction with the TNF homology domain (THD) of their ligands. TNFRs often have multiple CRDs (between one and six), with the most frequent configurations of three or four copies; most CRDs possess three disulfide bridges, but could have between one and four. Localized or genome-wide duplication and evolution of the TNFRSF members appear to have paralleled the emergence of the adaptive immune system; teleosts (i.e. ray-finned, bony fish), which possess an immune system with B and T cells, possess primary and secondary lymphoid organs, and are capable of adaptive responses to pathogens also display several characteristics that are different from the mammalian immune system, making teleost TNFSF orthologs and paralogs of interest to better understand immune system evolution and the immunological pathways elicited to pathogens.

Pssm-ID: 276900 [Multi-domain] Cd Length: 87 Bit Score: 60.69 E-value: 1.09e-11

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  46 CCKACNLGEGVAQPCGANQ-TVCEPCLDSvTFSDVVSATEPCKPCTECL-GLQSMSAPCVEADDAVCRCSYGYYQDEETg 123
Cdd:cd00185   1 CCQRCPPGEYLSSDCTATTdTVCSPCPPG-TYSESWNSLSKCLPCTTCGgGNQVEKTPCTATDNRCCTCKPGFYCDEGT- 78


                ....*...
gi 70794803 124 RCEACSVC 131
Cdd:cd00185  79 NVEECKPC 86

Tumor necrosis factor receptor superfamily member 6B (TNFRSF6B), also known as decoy receptor 3 (DcR3); The subfamily TNFRSF6B is also known as decoy receptor 3 (DcR3), M68, or TR6. This protein is a soluble receptor without death domain and cytoplasmic domain, and secreted by cells. It acts as a decoy receptor that competes with death receptors for ligand binding. It is a pleiotropic immunomodulator and biomarker for inflammatory diseases, autoimmune diseases, and cancer. Over-expression of this gene has been noted in several cancers, including pancreatic carcinoma, and gastrointestinal tract tumors. It can neutralize the biological effects of three tumor necrosis factor superfamily (TNFSF) members: TNFSF6 (Fas ligand/FasL/CD95L) and TNFSF14 (LIGHT) which are both involved in apoptosis and inflammation, and TNFSF15 (TNF-like molecule 1A/TL1A), which is a T cell co-stimulator and involved in gut inflammation. DcR3 is a novel inflammatory marker; higher DcR3 levels strongly correlate with inflammation and independently predict cardiovascular and all-cause mortality in chronic kidney disease (CKD) patients on hemodialysis. Increased synovial inflammatory cells infiltration in rheumatoid arthritis and ankylosing spondylitis is also associated with the elevated DcR3 expression. In cartilaginous fish, mRNA expression of DcR3 in the thymus and leydig, which are the representative lymphoid tissues of elasmobranchs, suggests that DcR3 may act as a modulator in the immune system. Interestingly, in banded dogfish (Triakis scyllia), DcR3 mRNA is strongly expressed in the gill, compared with human expression in the normal lung; both are respiratory organs, suggesting potential relevance of DcR3 to respiratory function.

Pssm-ID: 276901 [Multi-domain] Cd Length: 163 Bit Score: 61.27 E-value: 4.29e-11

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  47 CKACNLGEGVAQPCGAN-QTVCEPCLDSvTFSDVVSATEPCKPCTE-CLGLQSMSAPCVEADDAVCRCSYGYYQdeETGR 124
Cdd:cd10575  16 CDQCPPGTFVAKHCTRDrPTVCGPCPDL-HYTQFWNYLEKCRYCNVfCTERQVEKRQCNATHNRVCECKPGYYM--EHGF 92

                        90       100       110       120       130
                ....*....|....*....|....*....|....*....|....*....|...
gi 70794803 125 CEACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVCEDTE 177
Cdd:cd10575  93 CLRHSSCPPGEGVIKLGTPYSDTQCEPCPPGFFSASSSSTEPCQPHTNCTQGG 145

Tumor necrosis factor receptor superfamily member 1B (TNFRSF1B), also known as TNFR2; TNFRSF1B (also known as TNFR2, type 2 TNFR, TNFBR, TNFR80, TNF-R75, TNF-R-II, p75, CD120b) binds TNF-alpha, but lacks the death domain (DD) that is associated with the cytoplasmic domain of TNFRSF1A (TNFR1). It is inducible and expressed exclusively by oligodendrocytes, astrocytes, T cells, thymocytes, myocytes, endothelial cells, and in human mesenchymal stem cells. TNFRSF1B protects oligodendrocyte progenitor cells (OLGs) against oxidative stress, and induces the up-regulation of cell survival genes. While pro-inflammatory and pathogen-clearing activities of TNF are mediated mainly through activation of TNFRSF1A, a strong activator of NF-kappaB, TNFRSF1B is more responsible for suppression of inflammation. Although the affinities of both receptors for soluble TNF are similar, TNFRSF1B is sometimes more abundantly expressed and thought to associate with TNF, thereby increasing its concentration near TNFRSF1A receptors, and making TNF available to activate TNFRSF1A (a ligand-passing mechanism).

Pssm-ID: 276903 [Multi-domain] Cd Length: 163 Bit Score: 60.95 E-value: 5.05e-11

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  46 CCKACNLGEGVAQPCGAN-QTVCEPCLDSvTFSDVVSATEPCKPC-TECLGLQSMSAPCVEADDAVCRCSYGYY----QD 119
Cdd:cd10577  15 CCSKCPPGQHVKHSCTKTsDTVCAPCEES-TYTQLWNWVPECLSCsSPCSSDQVETQACTRQQNRICSCKPGWYcvlkLQ 93

                        90       100       110       120       130
                ....*....|....*....|....*....|....*....|....*....|....*
gi 70794803 120 EETGRCEACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVCE 174
Cdd:cd10577  94 EGCRQCRPLKKCGPGFGVARPGTASSDVECKPCAPGTFSDTTSSTDTCRPHRICS 148

DEATH domain, found in proteins involved in cell death (apoptosis); Alpha-helical domain present in a variety of proteins with apoptotic functions. Some (but not all) of these domains form homotypic and heterotypic dimers.

Pssm-ID: 214467 [Multi-domain] Cd Length: 88 Bit Score: 57.04 E-value: 2.28e-10

                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803    343 PLTKREEVEKLLN---GDTWRHLAGELGYQPEHIDSFTHEAC-----PVRALLASWGAQDSATLDALL--AALRRIQRAD 412
Cdd:smart00005   1 PELTRQKLAKLLDhplGLDWRELARKLGLSEADIDQIRTEAPrdlaeQSVQLLRLWEQREGKNATLGTllEALRKMGRDD 80


                   ....*...
gi 70794803    413 IVESLCSE 420
Cdd:smart00005  81 AVELLRSE 88

Tumor necrosis factor receptor superfamily (TNFRSF); Members of TNFR superfamily (TNFRSF) interactions with TNF superfamily (TNFSF) ligands (TNFL) control key cellular processes such as differentiation, proliferation, apoptosis, and cell growth. Dysregulation of these pathways has been shown to result in a wide range of pathological conditions, including autoimmune diseases, inflammation, cancer, and viral infection. There are 29 very diverse family members of TNFRSF reported in humans: 22 are type I transmembrane receptors (single pass with the N terminus on extracellular side of the cell membrane) and have a clear signal peptide; the remaining 7 members are either type III transmembrane receptors (single pass with the N terminus on extracellular side of the membrane but no signal sequence; TNFR13B, TNFR13C, TNFR17, and XEDAR), or attached to the membrane via a glycosylphosphatidylinositol (GPI) linker (TNFR10C), or secreted as soluble receptors (TNFR11B and TNFR6B). All TNFRs contain relatively short cysteine-rich domains (CRDs) in the ectodomain, and are involved in interaction with the TNF homology domain (THD) of their ligands. TNFRs often have multiple CRDs (between one and six), with the most frequent configurations of three or four copies; most CRDs possess three disulfide bridges, but could have between one and four. Localized or genome-wide duplication and evolution of the TNFRSF members appear to have paralleled the emergence of the adaptive immune system; teleosts (i.e. ray-finned, bony fish), which possess an immune system with B and T cells, possess primary and secondary lymphoid organs, and are capable of adaptive responses to pathogens also display several characteristics that are different from the mammalian immune system, making teleost TNFSF orthologs and paralogs of interest to better understand immune system evolution and the immunological pathways elicited to pathogens.

Pssm-ID: 276900 [Multi-domain] Cd Length: 87 Bit Score: 56.45 E-value: 2.86e-10

                        10        20        30        40        50        60
                ....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 70794803 128 CSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVC-EDTERQLRECTPWADAECE 192
Cdd:cd00185   2 CQRCPPGEYLSSDCTATTDTVCSPCPPGTYSESWNSLSKCLPCTTCgGGNQVEKTPCTATDNRCCT 67

Tumor necrosis factor receptor superfamily member 11A (TNFRSF11A), also known as receptor activator of nuclear factor-kappaB (RANK); TNFRSF11A (also known as RANK, FEO, OFE, ODFR, OSTS, PDB2, CD26, OPTB7, TRANCER, LOH18CR1) induces the activation of NF-kappa B and MAPK8/JNK through interactions with various TRAF adaptor proteins. This receptor and its ligand are important regulators of the interaction between T cells and dendritic cells. The receptor is also an essential mediator for osteoclast and lymph node development. Mutations at this locus have been associated with familial expansile osteolysis, autosomal recessive osteopetrosis, and Juvenile Paget's disease (JPD) of bone. Alternatively spliced transcript variants have been described for this locus. Mutation analysis may improve diagnosis, prognostication, recurrence risk assessment, and perhaps treatment selection among the monogenic disorders of RANKL/OPG/RANK activation.

Pssm-ID: 276916 [Multi-domain] Cd Length: 163 Bit Score: 58.65 E-value: 2.97e-10

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  36 STGMYTHSGECCKACNLGEGVAQPCGA-NQTVCEPC-----LDSVTFSDVVSATEPCKpCTECLglqsmsaPCVEADDAV 109
Cdd:cd13411   4 SERHYEYSGRCCSKCEPGKYMSSKCTVtSDSVCLPCgpdeyLDTWNEEDKCLLHKVCD-AGKAL-------VAVDPGNST 75

                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 70794803 110 ----CRCSYGYYQDEETGRCEACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVC 173
Cdd:cd13411  76 aprrCACTAGYHWSEDCDCCRRNTECAPGFGAQHPVQLNKDTVCEPCLVGYFSDVFSSTDKCKPWTNC 143

Tumor necrosis factor receptor superfamily member 4 (TNFRSF4), also known as CD134 or OXO40; TNFRSF4 (also known as OX40, ACT35, CD134, IMD16, TXGP1L) activates NF-kappaB through its interaction with adaptor proteins TRAF2 and TRAF5. It also promotes the expression of apoptosis inhibitors BCL2 and BCL2lL1/BCL2-XL, and thus suppresses apoptosis. It is primarily expressed on activated CD4+ and CD8+ T cells, where it is transiently expressed and upregulated on the most recently antigen-activated T cells within inflammatory lesions. This makes it an attractive target to modulate immune responses, i.e. TNFRSF4 (OX40) blocking agents to inhibit adverse inflammation or agonists to enhance immune responses. An artificially created biologic fusion protein, OX40-immunoglobulin (OX40-Ig), prevents OX40 from reaching the T-cell receptors, thus reducing the T-cell response. Some single nucleotide polymorphisms (SNPs) of its natural ligand OX40 ligand (OX40L, CD252), which is also found on activated T cells, have been associated with systemic lupus erythematosus.

Pssm-ID: 276911 [Multi-domain] Cd Length: 142 Bit Score: 58.18 E-value: 3.16e-10

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  34 TCSTGMYTHSGECCKACNLGEGVAQPCGANQ-TVCEPClDSVTFSDVVSaTEPCKPCTEClGLQSMS---APCVEADDAV 109
Cdd:cd13406   2 HCVGDTYPSGEKCCHECPPGEGMESRCTGTQdTVCSPC-EPGFYNEAVN-YEPCKPCTQC-NQRSGSeekQKCTKTSDTV 78

                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 110 CRCSYGYyqdeetgRCEACSVCGVgsglvfscqdkqntVCEECPEGTYSDEANhvDPCLPCTVCEDT-ERQLRECTPWAD 188
Cdd:cd13406  79 CRCRPGT-------QPLDSYKPGV--------------DCVPCPPGHFSRGDN--QACKPWTNCSLAgKRTLRPGSSTSD 135


                ....
gi 70794803 189 AECE 192
Cdd:cd13406 136 AVCE 139

Tumor necrosis factor receptor superfamily member 11B (TNFRSF11B), also known as Osteoprotegerin (OPG); TNFRSF11B (also known as Osteoprotegerin, OPG, TR1, OCIF) is a secreted glycoprotein that regulates bone resorption. It binds to two ligands, RANKL (receptor activator of nuclear factor kappaB ligand, also known as osteoprotegerin ligand, OPGL, TRANCE, TNF-related activation induced cytokine), a critical cytokine for osteoclast differentiation, and TRAIL (TNF-related apoptosis-inducing ligand), involved in immune surveillance. Therefore, acting as a decoy receptor for RANKL and TRAIL, OPG inhibits the regulatory effects of nuclear factor-kappaB on inflammation, skeletal, and vascular systems, and prevents TRAIL-induced apoptosis. Studies in mice counterparts suggest that this protein and its ligand also play a role in lymph-node organogenesis and vascular calcification. Circulating OPG levels have emerged as independent biomarkers of cardiovascular disease (CVD) in patients with acute or chronic heart disease. OPG has also been implicated in various inflammations and linked to diabetes and poor glycemic control. Alternatively spliced transcript variants of this gene have been reported, although their full length nature has not been determined.

Pssm-ID: 276907 [Multi-domain] Cd Length: 147 Bit Score: 56.71 E-value: 1.10e-09

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  47 CKACNLGEGVAQPCGAN-QTVCEPCLDSvTFSDVVSATEPCKPC-TECLGLQSMSAPCVEADDAVCRCSYGYYQDEETgr 124
Cdd:cd10581  36 CDQCPPGTYVKQHCSASrKTVCAPCPDH-HYADDWNSNDECQYCnTVCKELQYVKQECNSTHNRVCECVEGRYLELEF-- 112

                        90       100       110
                ....*....|....*....|....*....|....*
gi 70794803 125 CEACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSD 159
Cdd:cd10581 113 CLKHTECPPGFGVVQPGTPESDTVCERCPEGFFSN 147

Tumor necrosis factor receptor superfamily member 5 (TNFRSF5) in teleosts; also known as CD40; TNFRSF5 (commonly known as CD40 and also as CDW40, p50, Bp50) is widely expressed in diverse cell types including B lymphocytes, dendritic cells, platelets, monocytes, endothelial cells, and fibroblasts. It is essential in mediating a wide variety of immune and inflammatory responses, including T cell-dependent immunoglobulin class switching, memory B cell development, and germinal center formation. Its natural immunomodulating ligand is CD40L, and a primary defect in the CD40/CD40L system is associated with X-linked hyper-IgM (XHIM) syndrome. It is also involved in tumorigenesis; CD40 expression is significantly higher in gastric carcinomas and it is associated with the lymphatic metastasis of cancer cells and their tumor node metastasis (TNM) classification. Upregulated levels of CD40/CD40L on B cells and T cells may play an important role in the immune pathogenesis of breast cancer. Consequently, the CD40/CD40L system serves as a link between tumorigenesis, atherosclerosis, and the immune system, and offers a potential target for drug therapy for related diseases, such as cancer, atherosclerosis, diabetes mellitus, and immunological rejection. Salmon CD40 and CD40L are widely expressed, particularly in immune tissues, and their importance for the immune response is indicated by their relatively high expression in salmon lymphoid organs and gills.

Pssm-ID: 276927 [Multi-domain] Cd Length: 161 Bit Score: 55.51 E-value: 3.76e-09

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  40 YTHSGECCKACNLGEGVAQPCGANQTVCEPCLDSvTFSDVVSATEPCKPCTECLGLQSMSAPCVEA--DDAVCRCSYGYY 117
Cdd:cd13422   7 YEKDGECCKMCGPGTRMSSDSGCLDPQCQPCGED-EYQDKYTKENKCKRQPYCDPNKNFEISVNKSktSRSVCKCKPGFH 85

                        90       100       110       120       130       140       150
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 70794803 118 QDEETgrCEAC---SVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVCEDTERQLRECTPWADAECE 192
Cdd:cd13422  86 CSSEE--CLTCvphTTCGPGQGVKSKGNHIRDTVCEECPDGTFSNNSSAEGVCKKWTECESGYKVEAAGTNTSDNICV 161

Tumor necrosis factor receptor superfamily member 1A (TNFRSF1A), also known as TNFR1; TNFRSF1A (also known as type I TNFR, TNFR1, DR1, TNFRSF1A, CD120a, p55) binds TNF-alpha, through the death domain (DD), and activates NF-kappaB, mediates apoptosis and activates signaling pathways controlling inflammatory, immune, and stress responses. It mediates signal transduction by interacting with antiapoptotic protein BCL2-associated athanogene 4 (BAG4/SODD) and adaptor proteins TRAF2 and TRADD that play regulatory roles. The human genetic disorder called tumor necrosis factor associated periodic syndrome (TRAPS), or periodic fever syndrome, is associated with germline mutations of the extracellular domains of this receptor, possibly due to impaired receptor clearance. TNFRSF1A polymorphisms rs1800693 and rs4149584 are associated with elevated risk of multiple sclerosis. Serum levels of TNFRSF1A are elevated in schizophrenia and bipolar disorder, and high levels are also associated with cognitive impairment and dementia. Patients with idiopathic recurrent acute pericarditis (IRAP), presumed to be an autoimmune process, have also been shown to carry rare mutations (R104Q and D12E) in the TNFRSF1A gene.

Pssm-ID: 276902 [Multi-domain] Cd Length: 130 Bit Score: 53.51 E-value: 8.16e-09

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  35 CSTGMYTHSGE--CCKACNLGEGVAQPC-GANQ-TVCEPClDSVTFSDVVSATEPCKPCTECLG--LQSMSAPCVEADDA 108
Cdd:cd10576   1 CPQGKYLHPNNnhCCTKCHKGTYLYNDCpGPGQdTVCREC-ENGTFTASENYLRKCLSCSRCRKemGQVEISPCTVDQDT 79

                        90       100       110       120
                ....*....|....*....|....*....|....*....|....
gi 70794803 109 VCRCSYGYYQD--EETGRCEACSVCGVGSgLVFSCQDKQNTVCE 150
Cdd:cd10576  80 VCGCRKNQYQHywSSLFQCKNCSLCLNGT-IRQPCQEKQDTICT 122

Tumor necrosis factor receptor superfamily member 14 (TNFRSF14) in teleost; also known as herpes virus entry mediator (HVEM); This subfamily of TNFRSF14 (also known as herpes virus entry mediator or HVEM, ATAR, CD270, HVEA, LIGHTR, TR2) is found in teleosts, many of which are as yet uncharacterized. It regulates T-cell immune responses by activating inflammatory as well as inhibitory signaling pathways. HVEM acts as a receptor for the canonical TNF-related ligand LIGHT (lymphotoxin-like), which exhibits inducible expression, and competes with herpes simplex virus glycoprotein D for HVEM. It also acts as a ligand for the immunoglobulin superfamily proteins BTLA (B and T lymphocyte attenuator) and CD160, a feature distinguishing HVEM from other immune regulatory molecules, thus, creating a functionally diverse set of intrinsic and bidirectional signaling pathways. HVEM is highly expressed in the gut epithelium. Genome-wide association studies have shown that HVEM is an inflammatory bowel disease (IBD) risk gene, suggesting that HVEM could have a regulatory role influencing the regulation of epithelial barrier, host defense, and the microbiota. Mouse models have revealed that HVEM is involved in colitis pathogenesis, mucosal host defense, and epithelial immunity, thus acting as a mucosal gatekeeper with multiple regulatory functions in the mucosa. HVEM plays a critical role in both tumor progression and resistance to antitumor immune responses, possibly through direct and indirect mechanisms. It is known to be expressed in several human malignancies, including esophageal squamous cell carcinoma, follicular lymphoma, and melanoma. HVEM network may therefore be an attractive target for drug intervention. In Asian seabass, the up-regulation of differentially expressed TNFRSF14 gene has been observed.

Pssm-ID: 276910 [Multi-domain] Cd Length: 111 Bit Score: 53.10 E-value: 9.62e-09

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 112 CSYGYYQDEetGRCeaCSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVCeDTERQLR---ECTPWAD 188
Cdd:cd13405   1 CGPAEYEIN--GEC--CPMCPPGSRVSRHCTEDTSTSCVPCPDGTYMDEPNGLEKCFPCTNC-DPGFGLRvkqGCTYTSD 75


                ....
gi 70794803 189 AECE 192
Cdd:cd13405  76 TVCE 79

Tumor necrosis factor receptor superfamily member 9 (TNFRSF9) in teleosts; also known as CD137; This subfamily of TNFRSF9 (also known as CD137, ILA, 4-1BB) is found in teleosts. CD137 plays a role in the immunobiology of human cancer where it is preferentially expressed on tumor-reactive subset of tumor-infiltrating lymphocytes. It can be expressed by activated T cells, but to a larger extent on CD8 than on CD4 T cells. In addition, CD137 expression is found on dendritic cells, follicular dendritic cells, natural killer cells, granulocytes and cells of blood vessel walls at sites of inflammation. It transduces signals that lead to the activation of NF-kappaB, mediated by the TRAF adaptor proteins. CD137 contributes to the clonal expansion, survival, and development of T cells. It can also induce proliferation in peripheral monocytes, enhance T cell apoptosis induced by TCR/CD3 triggered activation, and regulate CD28 co-stimulation to promote Th1 cell responses. CD137 is modulated by SAHA treatment in breast cancer cells, suggesting that the combination of SAHA with this receptor could be a new therapeutic approach for the treatment of tumors. Mostly, CD137 in teleosts have not been characterized.

Pssm-ID: 276929 [Multi-domain] Cd Length: 150 Bit Score: 54.06 E-value: 9.67e-09

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  46 CCKACNLGEGVAQPCGAN-QTVCEPClDSVTFSdVVSATEPCKPCTECLGLQSMSAPCVEADDAVCRCSYGYY-QDEETG 123
Cdd:cd13424  13 CCESCHPGNRLVERCGPDpAELCKPC-EPGTYT-VKPLDYSCYICTQCIGAQVLLKNCTPSSDTVCGCKEGLRcGDAECS 90

                        90       100       110       120
                ....*....|....*....|....*....|....*....|
gi 70794803 124 RCEacSVCGVGSglvfscQDKQNTVCEECPEGTYSDEANH 163
Cdd:cd13424  91 FCV--TECGKGQ------EPLGKRDCRQCPVGTFNDQIHS 122

Tumor necrosis factor receptor superfamily member 6 (TNFRSF6), also known as fas cell surface death receptor (Fas); TNFRSF6 (also known as fas cell surface death receptor (FasR) or Fas, APT1, CD95, FAS1, APO-1, FASTM, ALPS1A) contains a death domain and plays a central role in the physiological regulation of programmed cell death. It has been implicated in the pathogenesis of various malignancies and diseases of the immune system. The receptor interactions with the Fas ligand (FasL), allowing the formation of a death-inducing signaling complex that includes Fas-associated death domain protein (FADD), caspase 8, and caspase 10; autoproteolytic processing of the caspases in the complex triggers a downstream caspase cascade, leading to apoptosis. This receptor has also been shown to activate NF-kappaB, MAPK3/ERK1, and MAPK8/JNK, and is involved in transducing the proliferating signals in normal diploid fibroblast and T cells. Of the several alternatively spliced transcript variants, some are candidates for nonsense-mediated mRNA decay (NMD). Isoforms lacking the transmembrane domain may negatively regulate the apoptosis mediated by the full length isoform.

Pssm-ID: 276905 [Multi-domain] Cd Length: 129 Bit Score: 51.61 E-value: 4.11e-08

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  34 TCSTGMYTHSGECCKACNLGEGVAQPCGAN--QTVCEPCLDSVTFSDVVSATEPCKPCTECLGLQSMSA--PCVEADDAV 109
Cdd:cd10579   9 NCSEGLYRGGQFCCQPCPPGTRKAIDCTTNggKPDCVPCTEGKEYTDKKHYSDKCRRCKICDEEHGLEVekNCTRTQNTK 88

                        90       100       110       120
                ....*....|....*....|....*....|....*....|...
gi 70794803 110 CRCSYGYYQD-EETGRCEACSVCgvGSGLVFSCQDKQNTVCEE 151
Cdd:cd10579  89 CRCKSNFFCNsSPCEHCDPCTTC--EHGIIEECTPTSNTKCKK 129

Tumor necrosis factor receptor superfamily member 1B (TNFRSF1B) in teleost; also known as TNFR2; This subfamily of TNFRSF1B (also known as TNFR2, type 2 TNFR, TNFBR, TNFR80, TNF-R75, TNF-R-II, p75, CD120b) is found in teleosts. It binds TNF-alpha, but lacks the death domain (DD) that is associated with the cytoplasmic domain of TNFRSF1A (TNFR1). It is inducible and expressed exclusively by oligodendrocytes, astrocytes, T cells, thymocytes, myocytes, endothelial cells, and in human mesenchymal stem cells. TNFRSF1B protects oligodendrocyte progenitor cells (OLGs) against oxidative stress, and induces the up-regulation of cell survival genes. While pro-inflammatory and pathogen-clearing activities of TNF are mediated mainly through activation of TNFRSF1A, a strong activator of NF-kappaB, TNFRSF1B is more responsible for suppression of inflammation. Although the affinities of both receptors for soluble TNF are similar, TNFRSF1B is sometimes more abundantly expressed and thought to associate with TNF, thereby increasing its concentration near TNFRSF1A receptors, and making TNF available to activate TNFRSF1A (a ligand-passing mechanism). Knockout studies in zebrafish embryos have shown that a signaling balance between TNFRSF1A and TNFRSF1B is required for endothelial cell integrity. TNFRSF1A signals apoptosis through caspase-8, whereas TNFRSF1B signals survival via NF-kB in endothelial cells. In goldfish (Carassius aurutus L.), TNFRSF1B expression is substantially higher than that of TNFRSF1 in tissues and various immune cell types. Both receptors are most robustly expressed in monocytes; mRNA levels of TNFRSF1B are lowest in peripheral blood leukocytes.

Pssm-ID: 276931 [Multi-domain] Cd Length: 130 Bit Score: 51.67 E-value: 4.70e-08

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 107 DAVCRCSYGYYQDEETGRCeaCSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVCEDTE--RQLRECT 184
Cdd:cd15835   2 DGNCRNTTTEYYNDGSNLC--CSKCRPGTRLKTKCSETSDTVCEPCPSGQYSENWNYYPNCFSCPKCKERKglQYAQNCS 79

                        90
                ....*....|....
gi 70794803 185 PWADAECEEIPGRW 198
Cdd:cd15835  80 STTNAVCVCKPGMY 93

Tumor necrosis factor receptor superfamily member 21 (TNFRSF21), also known as death receptor (DR6); TNFRSF21 (also known as death receptor 6 (DR6), CD358, BM-018) is highly expressed in differentiating neurons as well as in the adult brain, and is upregulated in injured neurons. DR6 negatively regulates neurondendrocyte, axondendrocyte, and oligodendrocyte survival, hinders axondendrocyte and oligodendrocyte regeneration and its inhibition has a neuro-protective effect in nerve injury. It activates nuclear factor kappa-B (NFkB) and mitogen-activated protein kinase 8 (MAPK8, also called c-Jun N-terminal kinase 1), and induces cell apoptosis by associating with TNFRSF1A-associated via death domain (TRADD), which is known to mediate signal transduction of tumor necrosis factor receptors. TNFRSF21 plays a role in T-helper cell activation, and may be involved in inflammation and immune regulation. Its possible ligand is alpha-amyloid precursor protein (APP), hence probably involved in the development of Alzheimer's disease; when released, APP binds in an autocrine/paracrine manner to activate a caspase-dependent self-destruction program that removes unnecessary or connectionless axons. Increasing beta-catenin levels in brain endothelium upregulates TNFRSF21 and TNFRSF19, indicating that these death receptors are downstream target genes of Wnt/beta-catenin signaling, which has been shown to be required for blood-brain barrier development. DR6 is up-regulated in numerous solid tumors as well as in tumor vascular cells, including ovarian cancer and may be a clinically useful diagnostic and predictive serum biomarker for some adult sarcoma subtypes.

Pssm-ID: 276909 [Multi-domain] Cd Length: 159 Bit Score: 52.06 E-value: 5.87e-08

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  47 CKACNLGEGVAQPCG-ANQTVCEPCLDSvTFSDVVSATEPCKPCTE-CLGLQSMSAPCVEADDAVCRCSYGYYQDEETgr 124
Cdd:cd10583  15 CDKCPAGTYVSKHCTeTSLRECSPCPNG-TFTRHENGIEQCHRCRKpCPAPMIEKTPCTALTDRECTCPPGTFLSNDT-- 91

                        90       100       110       120
                ....*....|....*....|....*....|....*....|....*....
gi 70794803 125 CEACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVC 173
Cdd:cd10583  92 CVPHSVCPVGWGVRKKGTETEDVRCKPCPRGTFSDVPSSVLKCKTYTDC 140

Tumor necrosis factor receptor superfamily member 11B (TNFRSF11B), also known as Osteoprotegerin (OPG); TNFRSF11B (also known as Osteoprotegerin, OPG, TR1, OCIF) is a secreted glycoprotein that regulates bone resorption. It binds to two ligands, RANKL (receptor activator of nuclear factor kappaB ligand, also known as osteoprotegerin ligand, OPGL, TRANCE, TNF-related activation induced cytokine), a critical cytokine for osteoclast differentiation, and TRAIL (TNF-related apoptosis-inducing ligand), involved in immune surveillance. Therefore, acting as a decoy receptor for RANKL and TRAIL, OPG inhibits the regulatory effects of nuclear factor-kappaB on inflammation, skeletal, and vascular systems, and prevents TRAIL-induced apoptosis. Studies in mice counterparts suggest that this protein and its ligand also play a role in lymph-node organogenesis and vascular calcification. Circulating OPG levels have emerged as independent biomarkers of cardiovascular disease (CVD) in patients with acute or chronic heart disease. OPG has also been implicated in various inflammations and linked to diabetes and poor glycemic control. Alternatively spliced transcript variants of this gene have been reported, although their full length nature has not been determined.

Pssm-ID: 276907 [Multi-domain] Cd Length: 147 Bit Score: 51.70 E-value: 6.45e-08

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 119 DEETGRCEACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPC-TVCEDTERQLRECTPWADAECEEIPGR 197
Cdd:cd10581  27 DPVTSRQLMCDQCPPGTYVKQHCSASRKTVCAPCPDHHYADDWNSNDECQYCnTVCKELQYVKQECNSTHNRVCECVEGR 106

                        90       100       110
                ....*....|....*....|....*....|....*..
gi 70794803 198 WIT-------RSTPPeGSDVTTPSTqepeapPERDLI 227
Cdd:cd10581 107 YLElefclkhTECPP-GFGVVQPGT------PESDTV 136

Tumor necrosis factor receptor superfamily member 14 (TNFRSF14) in teleost; also known as herpes virus entry mediator (HVEM); This subfamily of TNFRSF14 (also known as herpes virus entry mediator or HVEM, ATAR, CD270, HVEA, LIGHTR, TR2) is found in teleosts, many of which are as yet uncharacterized. It regulates T-cell immune responses by activating inflammatory as well as inhibitory signaling pathways. HVEM acts as a receptor for the canonical TNF-related ligand LIGHT (lymphotoxin-like), which exhibits inducible expression, and competes with herpes simplex virus glycoprotein D for HVEM. It also acts as a ligand for the immunoglobulin superfamily proteins BTLA (B and T lymphocyte attenuator) and CD160, a feature distinguishing HVEM from other immune regulatory molecules, thus, creating a functionally diverse set of intrinsic and bidirectional signaling pathways. HVEM is highly expressed in the gut epithelium. Genome-wide association studies have shown that HVEM is an inflammatory bowel disease (IBD) risk gene, suggesting that HVEM could have a regulatory role influencing the regulation of epithelial barrier, host defense, and the microbiota. Mouse models have revealed that HVEM is involved in colitis pathogenesis, mucosal host defense, and epithelial immunity, thus acting as a mucosal gatekeeper with multiple regulatory functions in the mucosa. HVEM plays a critical role in both tumor progression and resistance to antitumor immune responses, possibly through direct and indirect mechanisms. It is known to be expressed in several human malignancies, including esophageal squamous cell carcinoma, follicular lymphoma, and melanoma. HVEM network may therefore be an attractive target for drug intervention. In Asian seabass, the up-regulation of differentially expressed TNFRSF14 gene has been observed.

Pssm-ID: 276910 [Multi-domain] Cd Length: 111 Bit Score: 50.40 E-value: 7.40e-08

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  35 CSTGMYTHSGECCKACNLGEGVAQPC-GANQTVCEPCLDSvTFSDVVSATEPCKPCTEC---LGLQSMSaPCVEADDAVC 110
Cdd:cd13405   1 CGPAEYEINGECCPMCPPGSRVSRHCtEDTSTSCVPCPDG-TYMDEPNGLEKCFPCTNCdpgFGLRVKQ-GCTYTSDTVC 78

                        90       100
                ....*....|....*....|....*...
gi 70794803 111 RCSYGYY-QDEETGRCEAC---SVCGVG 134
Cdd:cd13405  79 EPLEGFYcIDSTKDGCSAAqrhSSCKPG 106

Tumor necrosis factor receptor superfamily member 4 (TNFRSF4), also known as CD134 or OXO40; TNFRSF4 (also known as OX40, ACT35, CD134, IMD16, TXGP1L) activates NF-kappaB through its interaction with adaptor proteins TRAF2 and TRAF5. It also promotes the expression of apoptosis inhibitors BCL2 and BCL2lL1/BCL2-XL, and thus suppresses apoptosis. It is primarily expressed on activated CD4+ and CD8+ T cells, where it is transiently expressed and upregulated on the most recently antigen-activated T cells within inflammatory lesions. This makes it an attractive target to modulate immune responses, i.e. TNFRSF4 (OX40) blocking agents to inhibit adverse inflammation or agonists to enhance immune responses. An artificially created biologic fusion protein, OX40-immunoglobulin (OX40-Ig), prevents OX40 from reaching the T-cell receptors, thus reducing the T-cell response. Some single nucleotide polymorphisms (SNPs) of its natural ligand OX40 ligand (OX40L, CD252), which is also found on activated T cells, have been associated with systemic lupus erythematosus.

Pssm-ID: 276911 [Multi-domain] Cd Length: 142 Bit Score: 50.86 E-value: 9.50e-08

                        10        20        30        40        50        60        70
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 70794803 123 GRCeaCSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHvDPCLPCTVCEDTE--RQLRECTPWADAECEEIPG 196
Cdd:cd13406  12 EKC--CHECPPGEGMESRCTGTQDTVCSPCEPGFYNEAVNY-EPCKPCTQCNQRSgsEEKQKCTKTSDTVCRCRPG 84

TNFR/NGFR cysteine-rich region;

Pssm-ID: 459633 [Multi-domain] Cd Length: 39 Bit Score: 46.15 E-value: 4.79e-07

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|
gi 70794803   152 CPEGTYSDEANHVdPCLPCTVCEDTERQLRECTPWADAEC 191
Cdd:pfam00020   1 CPPGTYTDNWNGL-KCLPCTVCPPGQVVVRPCTPTSDTVC 39

Tumor necrosis factor receptor superfamily member 1A (TNFRSF1A), also known as TNFR1; TNFRSF1A (also known as type I TNFR, TNFR1, DR1, TNFRSF1A, CD120a, p55) binds TNF-alpha, through the death domain (DD), and activates NF-kappaB, mediates apoptosis and activates signaling pathways controlling inflammatory, immune, and stress responses. It mediates signal transduction by interacting with antiapoptotic protein BCL2-associated athanogene 4 (BAG4/SODD) and adaptor proteins TRAF2 and TRADD that play regulatory roles. The human genetic disorder called tumor necrosis factor associated periodic syndrome (TRAPS), or periodic fever syndrome, is associated with germline mutations of the extracellular domains of this receptor, possibly due to impaired receptor clearance. TNFRSF1A polymorphisms rs1800693 and rs4149584 are associated with elevated risk of multiple sclerosis. Serum levels of TNFRSF1A are elevated in schizophrenia and bipolar disorder, and high levels are also associated with cognitive impairment and dementia. Patients with idiopathic recurrent acute pericarditis (IRAP), presumed to be an autoimmune process, have also been shown to carry rare mutations (R104Q and D12E) in the TNFRSF1A gene.

Pssm-ID: 276902 [Multi-domain] Cd Length: 130 Bit Score: 47.73 E-value: 8.84e-07

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 112 CSYGYYQDEETGRCeaCSVCGVGSGLVFSCQDK-QNTVCEECPEGTYSDEANHVDPCLPCTVCEDTERQ--LRECTPWAD 188
Cdd:cd10576   1 CPQGKYLHPNNNHC--CTKCHKGTYLYNDCPGPgQDTVCRECENGTFTASENYLRKCLSCSRCRKEMGQveISPCTVDQD 78


                ...
gi 70794803 189 AEC 191
Cdd:cd10576  79 TVC 81

Tumor necrosis factor receptor superfamily member 1A (TNFRSF1A) in teleosts; also known as TNFR1; This subfamily of TNFRSF1 ((also known as type I TNFR, TNFR1, DR1, TNFRSF1A, CD120a, p55) is found in teleosts. It binds TNF-alpha, through the death domain (DD), and activates NF-kappaB, mediates apoptosis and activates signaling pathways controlling inflammatory, immune, and stress responses. It mediates signal transduction by interacting with antiapoptotic protein BCL2-associated athanogene 4 (BAG4/SODD) and adaptor proteins TRAF2 and TRADD that play regulatory roles. The human genetic disorder called tumor necrosis factor associated periodic syndrome (TRAPS), or periodic fever syndrome, is associated with germline mutations of the extracellular domains of this receptor, possibly due to impaired receptor clearance. Serum levels of TNFRSF1A are elevated in schizophrenia and bipolar disorder, and high levels are also associated with cognitive impairment and dementia. Knockout studies in zebrafish embryos have shown that a signaling balance between TNFRSF1A and TNFRSF1B is required for endothelial cell integrity. TNFRSF1A signals apoptosis through caspase-8, whereas TNFRSF1B signals survival via NF-kappaB in endothelial cells. Thus, this apoptotic pathway seems to be evolutionarily conserved, as TNFalpha promotes apoptosis of human endothelial cells and triggers caspase-2 and P53 activation in these cells via TNFRSF1A.

Pssm-ID: 276930 [Multi-domain] Cd Length: 150 Bit Score: 48.25 E-value: 8.88e-07

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 112 CSYGYYQDEEtGRCeaCSVCGVGSGLVFSC-QDKQNTVCEECPEGTYSDEANHVDPCLPCTVCE-DTERQLRECTPWADA 189
Cdd:cd15834   1 CLDSEYLSEN-GIC--CNKCHPGYKLKEECtAPGERSQCTPCPEGTYLEQINYSPNCRRCTLCKvKNEEEVSPCKKSSNT 77


                ...
gi 70794803 190 ECE 192
Cdd:cd15834  78 VCR 80

Tumor necrosis factor receptor superfamily member 6 (TNFRSF6) in teleosts; also known as fas cell surface death receptor (FasR); This subfamily of TNFRSF6 (also known as fas cell surface death receptor (FasR) or Fas; APT1; CD95; FAS1; APO-1; FASTM; ALPS1A) is found in teleosts. It contains a death domain and plays a central role in the physiological regulation of programmed cell death. In humans, it has been implicated in the pathogenesis of various malignancies and diseases of the immune system. The receptor interactions with the Fas ligand (FasL), allowing the formation of a death-inducing signaling complex that includes Fas-associated death domain protein (FADD), caspase 8, and caspase 10; autoproteolytic processing of the caspases in the complex triggers a downstream caspase cascade, leading to apoptosis. This receptor has also been shown to activate NF-kappaB, MAPK3/ERK1, and MAPK8/JNK, and is involved in transducing the proliferating signals in normal diploid fibroblast and T cells. In channel catfish and the Japanese rice fish, medaka, homologs of Fas receptor (FasR), as well as FADD and caspase 8, have been identified and characterized, and likely constitute the teleost equivalent of the death-inducing signaling complex (DISC). FasL/FasR are involved in the initiation of apoptosis and suggest that mechanisms of cell-mediated cytotoxicity in teleosts are similar to those used by mammals; presumably, the mechanism of apoptosis induction via death receptors was evolutionarily established during the appearance of vertebrates.

Pssm-ID: 276928 [Multi-domain] Cd Length: 103 Bit Score: 47.04 E-value: 9.28e-07

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  34 TCSTGMYTHSGECCKACNLGEGVAQPC--GANQTVCEPCLDSvTFSDVVSATEPCKPCTECLGLQSMSA--PCVEADDAV 109
Cdd:cd13423   1 SCEDGTYQHEGLTCCLCPAGQHVEKHCtnNGTDGECEACEDG-TYNSHPNSLDSCEPCTSCDPNANLEVeeRCTPSSDTV 79

                        90       100
                ....*....|....*....|..
gi 70794803 110 CRCSYGYYQDEEtGRCEACSVC 131
Cdd:cd13423  80 CRCKEGHYCDKG-EECKVCYPC 100

Tumor necrosis factor receptor superfamily member 6 (TNFRSF6) in teleosts; also known as fas cell surface death receptor (FasR); This subfamily of TNFRSF6 (also known as fas cell surface death receptor (FasR) or Fas; APT1; CD95; FAS1; APO-1; FASTM; ALPS1A) is found in teleosts. It contains a death domain and plays a central role in the physiological regulation of programmed cell death. In humans, it has been implicated in the pathogenesis of various malignancies and diseases of the immune system. The receptor interactions with the Fas ligand (FasL), allowing the formation of a death-inducing signaling complex that includes Fas-associated death domain protein (FADD), caspase 8, and caspase 10; autoproteolytic processing of the caspases in the complex triggers a downstream caspase cascade, leading to apoptosis. This receptor has also been shown to activate NF-kappaB, MAPK3/ERK1, and MAPK8/JNK, and is involved in transducing the proliferating signals in normal diploid fibroblast and T cells. In channel catfish and the Japanese rice fish, medaka, homologs of Fas receptor (FasR), as well as FADD and caspase 8, have been identified and characterized, and likely constitute the teleost equivalent of the death-inducing signaling complex (DISC). FasL/FasR are involved in the initiation of apoptosis and suggest that mechanisms of cell-mediated cytotoxicity in teleosts are similar to those used by mammals; presumably, the mechanism of apoptosis induction via death receptors was evolutionarily established during the appearance of vertebrates.

Pssm-ID: 276928 [Multi-domain] Cd Length: 103 Bit Score: 46.27 E-value: 1.57e-06

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 112 CSYGYYQDEEtgrcEACSVCGVGSGLVFSCQDKQN-TVCEECPEGTYSDEANHVDPCLPCTVC--EDTERQLRECTPWAD 188
Cdd:cd13423   2 CEDGTYQHEG----LTCCLCPAGQHVEKHCTNNGTdGECEACEDGTYNSHPNSLDSCEPCTSCdpNANLEVEERCTPSSD 77


                ...
gi 70794803 189 AEC 191
Cdd:cd13423  78 TVC 80

Tumor necrosis factor receptor superfamily 11B (TNFRSF11B) in teleost; also known as Osteoprotegerin (OPG); This subfamily of TNFRSF11B (also known as Osteoprotegerin, OPG, TR1, OCIF) is found in teleosts. It is a secreted glycoprotein that regulates bone resorption. It binds to two ligands, RANKL (receptor activator of nuclear factor kappaB ligand, also known as osteoprotegerin ligand, OPGL, TRANCE, TNF-related activation induced cytokine), a critical cytokine for osteoclast differentiation, and TRAIL (TNF-related apoptosis-inducing ligand), involved in immune surveillance. Therefore, acting as a decoy receptor for RANKL and TRAIL, OPG inhibits the regulatory effects of nuclear factor-kappaB on inflammation, skeletal, and vascular systems, and prevents TRAIL-induced apoptosis. Studies in mice counterparts suggest that this protein and its ligand also play a role in lymph-node organogenesis and vascular calcification. Circulating OPG levels have emerged as independent biomarkers of cardiovascular disease (CVD) in patients with acute or chronic heart disease. OPG has also been implicated in various inflammations and linked to diabetes and poor glycemic control. Alternatively spliced transcript variants of this gene have been reported, although their full length nature has not been determined. Genetic analysis of the Japanese rice fish medaka (Oryzias latipes) has shown that entire networks for bone formation are conserved between teleosts and mammals; enabling medaka to be used as a genetic model to monitor bone homeostasis in vivo.

Pssm-ID: 276917 [Multi-domain] Cd Length: 129 Bit Score: 45.94 E-value: 3.52e-06

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  47 CKACNLGEGVAQPCGA-NQTVCEPCLDSvTFSDVVSATEPCKPCTE-CLGLQSMSAPCVEADDAVCRCSYGYYQDEETgr 124
Cdd:cd13412  22 CKKCPPGTHMAAHCTAtTQTKCLPCPAA-HYTELWNYLPRCLYCNNfCSENQEVEIECSATNNRVCRCKEGYYMDSDF-- 98

                        90       100       110
                ....*....|....*....|....*....|.
gi 70794803 125 CEACSVCGVGSGLVFSCQDKQNTVCEECPEG 155
Cdd:cd13412  99 CIRHTECGPGYGVKTKGTTKQDTVCEKCPSG 129

Tumor necrosis factor receptor superfamily members, virus-encoded; This family contains viral TNFR homologs that include vaccinia virus (VACV) cytokine response modifier E (CrmE), an encoded TNFR that shares significant sequence similarity with mammalian type 2 TNF receptors (TNFSFR1B, p75, TNFR type 2), a cowpox virus encoded cytokine-response modifier B (crmB), which is a secreted form of TNF receptor that can contribute to the modification of TNF-mediated antiviral processes, and a myxoma virus (MYXV) T2 (M-T2) protein that binds and inhibits rabbit TNF-alpha. The CrmE structure confirms that the canonical TNFR fold is adopted, but only one of the two "ligand-binding" loops of TNFRSF1A is conserved, suggesting a mechanism for the higher affinity of poxvirus TNFRs for TNFalpha over lymphotoxin-alpha. CrmB protein specifically binds TNF-alpha and TNF-beta indicating that cowpox virus seeks to invade antiviral processes mediated by TNF. Intracellular M-T2 blocks virus-induced lymphocyte apoptosis via a highly conserved viral preligand assembly domain (vPLAD), which controls receptor signaling competency prior to ligand binding.

Pssm-ID: 276935 [Multi-domain] Cd Length: 125 Bit Score: 44.86 E-value: 8.37e-06

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  40 YTHSGECCKACNLGEGVAQPCGAN-QTVCEPCLDSvTFSDVVSATEPCKPCT-ECLGLQSMSAPCVEADDAVCRCSYGYY 117
Cdd:cd15839   8 SNSNNLCCKSCPPGTYASHLCDTTsNTKCDPCPSD-TFTSIPNHIPACLSCRgRCSSNQVETKSCSNTQNRICSCAPGYY 86

                        90       100       110       120
                ....*....|....*....|....*....|....*....|
gi 70794803 118 ----QDEETGRCEACSVCGVGSGlVFSCQDKQNTVCEECP 153
Cdd:cd15839  87 cllkGSDGCVACAPKTKCGVGYG-VSGHTSTGDVICKKCP 125

Tumor necrosis factor receptor superfamily member 6B (TNFRSF6B), also known as decoy receptor 3 (DcR3); The subfamily TNFRSF6B is also known as decoy receptor 3 (DcR3), M68, or TR6. This protein is a soluble receptor without death domain and cytoplasmic domain, and secreted by cells. It acts as a decoy receptor that competes with death receptors for ligand binding. It is a pleiotropic immunomodulator and biomarker for inflammatory diseases, autoimmune diseases, and cancer. Over-expression of this gene has been noted in several cancers, including pancreatic carcinoma, and gastrointestinal tract tumors. It can neutralize the biological effects of three tumor necrosis factor superfamily (TNFSF) members: TNFSF6 (Fas ligand/FasL/CD95L) and TNFSF14 (LIGHT) which are both involved in apoptosis and inflammation, and TNFSF15 (TNF-like molecule 1A/TL1A), which is a T cell co-stimulator and involved in gut inflammation. DcR3 is a novel inflammatory marker; higher DcR3 levels strongly correlate with inflammation and independently predict cardiovascular and all-cause mortality in chronic kidney disease (CKD) patients on hemodialysis. Increased synovial inflammatory cells infiltration in rheumatoid arthritis and ankylosing spondylitis is also associated with the elevated DcR3 expression. In cartilaginous fish, mRNA expression of DcR3 in the thymus and leydig, which are the representative lymphoid tissues of elasmobranchs, suggests that DcR3 may act as a modulator in the immune system. Interestingly, in banded dogfish (Triakis scyllia), DcR3 mRNA is strongly expressed in the gill, compared with human expression in the normal lung; both are respiratory organs, suggesting potential relevance of DcR3 to respiratory function.

Pssm-ID: 276901 [Multi-domain] Cd Length: 163 Bit Score: 45.86 E-value: 8.72e-06

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 119 DEETGRCEACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTV-CEDTERQLRECTPWADAECEEIPGR 197
Cdd:cd10575   7 DDVTGESLTCDQCPPGTFVAKHCTRDRPTVCGPCPDLHYTQFWNYLEKCRYCNVfCTERQVEKRQCNATHNRVCECKPGY 86

                        90       100
                ....*....|....*....|....
gi 70794803 198 WIT------RSTPPEGSDVTTPST 215
Cdd:cd10575  87 YMEhgfclrHSSCPPGEGVIKLGT 110

Tumor necrosis factor receptor superfamily member 10 (TNFRSF10), includes TNFRSF10A (DR4), TNFRSF10B (DR5), TNFRSF10C (DcR1) and TNFRSF10D (DcR2); TNFRSF10 family contains TNFRSF10A (also known as DR4, Apo2, TRAIL-R1, CD261), TNFRSF10B (also known as DR5, KILLER, TRICK2A, TRAIL-R2, TRICKB, CD262), TNFRSF10C (also known as DcR1, TRAIL-R3, LIT, TRID, CD263), and TNFRSF10D (also known as DcR2, TRUNDD, TRAIL-R4, CD264). Tumor necrosis factor-related apoptosis inducing ligand (TNFSF10/TRAIL) binds to all 4 receptors. DR4 (TRAIL-R1) and DR5 (TRAIL-R2) are membrane-bound and contain a death domain in their intracellular portion, which is able to transmit an apoptotic signal, thus often called death receptors. In contrast, DcR1 (TRAIL-R3), which lacks the complete intracellular portion and DcR2 (TRAIL-R4), which has a truncated cytoplasmic death domain, do not transmit an apoptotic signal, thus known as decoy receptors. Apoptosis mediated by DR4 and DR5 requires Fas (TNFRSF6)-associated via death domain (FADD), a death domain containing adaptor protein. Two transcript variants encoding different isoforms and one non-coding transcript have been found for TNFRSF10B/DR5. DcR1 appears to function as an antagonistic receptor that protects cells from TRAIL-induced apoptosis; it has been found to be a p53-regulated DNA damage-inducible gene. The expression of this gene is detected in many normal tissues but not in most cancer cell lines, which may explain the specific sensitivity of cancer cells to the apoptosis-inducing activity of TRAIL. DcR2 has been shown to play an inhibitory role in TRAIL-induced cell apoptosis. The membrane expression of all of these receptors (DR4, DR5, DcR1, and DcR2) is greater in normal endometrium (NE) than in endometrioid adenocarcinoma (EAC). In EAC patients, membrane expression of these receptors are not independent predictors of survival. DcR1 and DcR2 expression is critical in cell growth and apoptosis in cutaneous or uveal melanoma; DcR1 and DcR2 are frequently methylated in both, leading to loss of gene expression and melanomagenesis. On the other hand, DR4 and DR5 methylation is rare in cutaneous melanoma and frequent in uveal melanoma; their expression is wholly independent of the promoter methylation status. DcR1 and DcR2 genes are also reported to be hyper-methylated in prostate cancer. The TRAIL ligand, a potent and specific inducer of apoptosis in cancer cells, has been explored as a therapeutic drug; experimental data has shown that DR4 specific TRAIL variants are more efficacious than wild-type TRAIL in pancreatic cancer.

Pssm-ID: 276906 [Multi-domain] Cd Length: 103 Bit Score: 42.63 E-value: 3.33e-05

                        10        20        30        40
                ....*....|....*....|....*....|....*....|....
gi 70794803 149 CEECPEG-TYSDEANHVDPCLPCTVCEDTERQLRECTPWADAEC 191
Cdd:cd10580  18 CIPCKEGvDYTEHPNGLPSCLPCTVCKSDEEELSPCTTTRNTEC 61

Tumor necrosis factor receptor superfamily member 14 (TNFRSF14), also known as herpes virus entry mediator (HVEM); TNFRSF14 (also known as herpes virus entry mediator or HVEM, ATAR, CD270, HVEA, LIGHTR, TR2) regulates T-cell immune responses by activating inflammatory, as well as inhibitory signaling pathways. HVEM acts as a receptor for the canonical TNF-related ligand LIGHT (lymphotoxin-like), which exhibits inducible expression, and competes with herpes simplex virus glycoprotein D for HVEM. It also acts as a ligand for the immunoglobulin superfamily proteins BTLA (B and T lymphocyte attenuator) and CD160, a feature distinguishing HVEM from other immune regulatory molecules, thus, creating a functionally diverse set of intrinsic and bidirectional signaling pathways. HVEM is highly expressed in the gut epithelium. Genome-wide association studies have shown that Hvem is an inflammatory bowel disease (IBD) risk gene, suggesting that HVEM could have a regulatory role influencing the regulation of epithelial barrier, host defense, and the microbiota. Mouse models have revealed that HVEM is involved in colitis pathogenesis, mucosal host defense, and epithelial immunity, thus acting as a mucosal gatekeeper with multiple regulatory functions in the mucosa. HVEM plays a critical role in both tumor progression and resistance to antitumor immune responses, possibly through direct and indirect mechanisms. It is known to be expressed in several human malignancies, including esophageal squamous cell carcinoma, follicular lymphoma and melanoma. HVEM network may therefore be an attractive target for drug intervention.

Pssm-ID: 276908 [Multi-domain] Cd Length: 101 Bit Score: 42.03 E-value: 5.20e-05

                        10        20        30        40        50        60        70
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....
gi 70794803 126 EACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVCEDT--ERQLRECTPWADAECEEIPGR 197
Cdd:cd10582  11 ECCPKCSPGYRVKKACGELTGTVCEPCPPGTYTAHLNGLSKCLQCRVCDPAmgLVTRRNCSSTENTVCGCIPGH 84

Tumor necrosis factor receptor superfamily member 14 (TNFRSF14), also known as herpes virus entry mediator (HVEM); TNFRSF14 (also known as herpes virus entry mediator or HVEM, ATAR, CD270, HVEA, LIGHTR, TR2) regulates T-cell immune responses by activating inflammatory, as well as inhibitory signaling pathways. HVEM acts as a receptor for the canonical TNF-related ligand LIGHT (lymphotoxin-like), which exhibits inducible expression, and competes with herpes simplex virus glycoprotein D for HVEM. It also acts as a ligand for the immunoglobulin superfamily proteins BTLA (B and T lymphocyte attenuator) and CD160, a feature distinguishing HVEM from other immune regulatory molecules, thus, creating a functionally diverse set of intrinsic and bidirectional signaling pathways. HVEM is highly expressed in the gut epithelium. Genome-wide association studies have shown that Hvem is an inflammatory bowel disease (IBD) risk gene, suggesting that HVEM could have a regulatory role influencing the regulation of epithelial barrier, host defense, and the microbiota. Mouse models have revealed that HVEM is involved in colitis pathogenesis, mucosal host defense, and epithelial immunity, thus acting as a mucosal gatekeeper with multiple regulatory functions in the mucosa. HVEM plays a critical role in both tumor progression and resistance to antitumor immune responses, possibly through direct and indirect mechanisms. It is known to be expressed in several human malignancies, including esophageal squamous cell carcinoma, follicular lymphoma and melanoma. HVEM network may therefore be an attractive target for drug intervention.

Pssm-ID: 276908 [Multi-domain] Cd Length: 101 Bit Score: 42.03 E-value: 5.41e-05

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  35 CSTGMYTHSGECCKACNLGEGVAQPCG-ANQTVCEPCLDSVTFSDVVSATE--PCKPCTECLGLQSMSApCVEADDAVCR 111
Cdd:cd10582   1 CKEDEYPVGSECCPKCSPGYRVKKACGeLTGTVCEPCPPGTYTAHLNGLSKclQCRVCDPAMGLVTRRN-CSSTENTVCG 79

                        90       100
                ....*....|....*....|
gi 70794803 112 CSYGYYQDEETGrcEACSVC 131
Cdd:cd10582  80 CIPGHFCSAQDG--DHCVEC 97

Tumor necrosis factor receptor superfamily member 26 (TNFRSF26), also known as tumor necrosis factor receptor homolog 3 (TNFRH3); TNFRSF26 (also known as tumor necrosis factor receptor homolog 3 (TNFRH3) or TNFRSF24) is predominantly expressed in embryos and lymphoid cell types, along with its closely related TNFRSF22 and TNFRSF23 orthologs, and is developmentally regulated. Unlike TNFRSF22/23, TNFRSF26 does not serve as a TRAIL decoy receptor; it remains an orphan receptor.

Pssm-ID: 276933 [Multi-domain] Cd Length: 118 Bit Score: 41.58 E-value: 1.19e-04

                        10        20        30        40        50        60
                ....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 70794803 128 CSVCGVGSGLVFSCQDKQN-TVCEECPEGTYSDEANHVDPCLPCTVCEDTERQLRECTPWADAECE 192
Cdd:cd15837  13 CQLCPAGHYVSEPCQENHGvGECAPCEPGTFTAHPNGETSCFPCSQCRDDQEVVAECSATSDRQCQ 78

Death domain;

Pssm-ID: 459845 [Multi-domain] Cd Length: 86 Bit Score: 40.43 E-value: 1.28e-04

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803   347 REEVEKLLN-----GDTWRHLAGELGYQPEHIDSFTHE----ACPVRALLASWGAQDSATLDAL--LAALRRIQRADIVE 415
Cdd:pfam00531   1 RKQLDRLLDpppplGKDWRELARKLGLSENEIDEIESEnprlRSQTYELLRLWEQREGKNATVGtlLEALRKLGRRDAAE 80


                  ..
gi 70794803   416 SL 417
Cdd:pfam00531  81 KI 82

Tumor necrosis factor receptor superfamily member 10 (TNFRSF10), includes TNFRSF10A (DR4), TNFRSF10B (DR5), TNFRSF10C (DcR1) and TNFRSF10D (DcR2); TNFRSF10 family contains TNFRSF10A (also known as DR4, Apo2, TRAIL-R1, CD261), TNFRSF10B (also known as DR5, KILLER, TRICK2A, TRAIL-R2, TRICKB, CD262), TNFRSF10C (also known as DcR1, TRAIL-R3, LIT, TRID, CD263), and TNFRSF10D (also known as DcR2, TRUNDD, TRAIL-R4, CD264). Tumor necrosis factor-related apoptosis inducing ligand (TNFSF10/TRAIL) binds to all 4 receptors. DR4 (TRAIL-R1) and DR5 (TRAIL-R2) are membrane-bound and contain a death domain in their intracellular portion, which is able to transmit an apoptotic signal, thus often called death receptors. In contrast, DcR1 (TRAIL-R3), which lacks the complete intracellular portion and DcR2 (TRAIL-R4), which has a truncated cytoplasmic death domain, do not transmit an apoptotic signal, thus known as decoy receptors. Apoptosis mediated by DR4 and DR5 requires Fas (TNFRSF6)-associated via death domain (FADD), a death domain containing adaptor protein. Two transcript variants encoding different isoforms and one non-coding transcript have been found for TNFRSF10B/DR5. DcR1 appears to function as an antagonistic receptor that protects cells from TRAIL-induced apoptosis; it has been found to be a p53-regulated DNA damage-inducible gene. The expression of this gene is detected in many normal tissues but not in most cancer cell lines, which may explain the specific sensitivity of cancer cells to the apoptosis-inducing activity of TRAIL. DcR2 has been shown to play an inhibitory role in TRAIL-induced cell apoptosis. The membrane expression of all of these receptors (DR4, DR5, DcR1, and DcR2) is greater in normal endometrium (NE) than in endometrioid adenocarcinoma (EAC). In EAC patients, membrane expression of these receptors are not independent predictors of survival. DcR1 and DcR2 expression is critical in cell growth and apoptosis in cutaneous or uveal melanoma; DcR1 and DcR2 are frequently methylated in both, leading to loss of gene expression and melanomagenesis. On the other hand, DR4 and DR5 methylation is rare in cutaneous melanoma and frequent in uveal melanoma; their expression is wholly independent of the promoter methylation status. DcR1 and DcR2 genes are also reported to be hyper-methylated in prostate cancer. The TRAIL ligand, a potent and specific inducer of apoptosis in cancer cells, has been explored as a therapeutic drug; experimental data has shown that DR4 specific TRAIL variants are more efficacious than wild-type TRAIL in pancreatic cancer.

Pssm-ID: 276906 [Multi-domain] Cd Length: 103 Bit Score: 41.09 E-value: 1.31e-04

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  46 CCKACNLGEGVAQPCGanqtVCEPCLDSVTFSDVVSATEPCKPCTECLGLQSMSAPCVEADDAVCRCSYGYYQDEETgrC 125
Cdd:cd10580   1 SCGLCPAGTYVSEDSG----DCIPCKEGVDYTEHPNGLPSCLPCTVCKSDEEELSPCTTTRNTECQCKPGTFCDPDS--P 74

                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 70794803 126 EACSVCGvgsglvfscqdkqntvcEECPEGtysdeanhvdpclpctvcedtERQLRECTPWADAECE 192
Cdd:cd10580  75 EVCQKCS-----------------TRCPEG---------------------MVEVSPCTPWSDLKCV 103

Tumor necrosis factor receptor / nerve growth factor receptor repeats; Repeats in growth factor receptors that are involved in growth factor binding. TNF/TNFR

Pssm-ID: 214558 Cd Length: 39 Bit Score: 38.99 E-value: 1.65e-04

                           10        20        30        40
                   ....*....|....*....|....*....|....*....|
gi 70794803    152 CPEGTYSDEANHvDPCLPCTVCEDTERQLRECTPWADAEC 191
Cdd:smart00208   1 CKEGTYCSDGNH-SSCLRCRRCPPGLVVKQPCTATSDTVC 39

Tumor necrosis factor receptor superfamily member 3 (TNFRSF3), also known as lymphotoxin beta receptor (LTBR); TNFRSF3 (also known as lymphotoxin beta receptor, LTbetaR, CD18, TNFCR, TNFR3, D12S370, TNFR-RP, TNFR2-RP, LT-BETA-R, TNF-R-III) plays a role in signaling during development of lymphoid and other organs, lipid metabolism, immune response, and programmed cell death. Its ligands include lymphotoxin (LT) alpha/beta membrane form (heterotrimer) and tumor necrosis factor ligand superfamily member 14 (also known as LIGHT). TNFRSF3 agonism by these ligands initiates canonical, as well as non-canonical nuclear factor-kappaB (NF-kappaB) signaling, and preferentially results in the translocation of p52-RELB complexes into the nucleus. While these ligands are often expressed by T and B cells, TNFRSF3 is conspicuous absence on T and B lymphocytes and NK cells, suggesting that signaling may be unidirectional for TNFRSF3. Activity of this receptor has also been linked to carcinogenesis; it helps trigger apoptosis and can also lead to release of the interleukin 8 (IL8). Alternatively spliced transcript variants encoding multiple isoforms have been observed.

Pssm-ID: 276904 [Multi-domain] Cd Length: 158 Bit Score: 41.29 E-value: 2.71e-04

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 110 CRCSYGYYQDEETGRCeaCSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCTVCEDTE--RQLRECTPWA 187
Cdd:cd10578  33 CWDQEKEYYEPRHQVC--CSRCPPGTHVSAECSRSQDTVCATCPENSYNEHWNHLSICQLCRPCDPVLgfEEVAPCTSDR 110


                ....*....
gi 70794803 188 DAECEEIPG 196
Cdd:cd10578 111 KTQCRCQPG 119

Tumor necrosis factor receptor / nerve growth factor receptor repeats; Repeats in growth factor receptors that are involved in growth factor binding. TNF/TNFR

Pssm-ID: 214558 Cd Length: 39 Bit Score: 38.22 E-value: 2.86e-04

                           10        20        30
                   ....*....|....*....|....*....|....
gi 70794803    116 YYQDEETGRCEACSVCGVGSGLVFSCQDKQNTVC 149
Cdd:smart00208   6 YCSDGNHSSCLRCRRCPPGLVVKQPCTATSDTVC 39

Tumor necrosis factor receptor superfamily member 1B (TNFRSF1B) in teleost; also known as TNFR2; This subfamily of TNFRSF1B (also known as TNFR2, type 2 TNFR, TNFBR, TNFR80, TNF-R75, TNF-R-II, p75, CD120b) is found in teleosts. It binds TNF-alpha, but lacks the death domain (DD) that is associated with the cytoplasmic domain of TNFRSF1A (TNFR1). It is inducible and expressed exclusively by oligodendrocytes, astrocytes, T cells, thymocytes, myocytes, endothelial cells, and in human mesenchymal stem cells. TNFRSF1B protects oligodendrocyte progenitor cells (OLGs) against oxidative stress, and induces the up-regulation of cell survival genes. While pro-inflammatory and pathogen-clearing activities of TNF are mediated mainly through activation of TNFRSF1A, a strong activator of NF-kappaB, TNFRSF1B is more responsible for suppression of inflammation. Although the affinities of both receptors for soluble TNF are similar, TNFRSF1B is sometimes more abundantly expressed and thought to associate with TNF, thereby increasing its concentration near TNFRSF1A receptors, and making TNF available to activate TNFRSF1A (a ligand-passing mechanism). Knockout studies in zebrafish embryos have shown that a signaling balance between TNFRSF1A and TNFRSF1B is required for endothelial cell integrity. TNFRSF1A signals apoptosis through caspase-8, whereas TNFRSF1B signals survival via NF-kB in endothelial cells. In goldfish (Carassius aurutus L.), TNFRSF1B expression is substantially higher than that of TNFRSF1 in tissues and various immune cell types. Both receptors are most robustly expressed in monocytes; mRNA levels of TNFRSF1B are lowest in peripheral blood leukocytes.

Pssm-ID: 276931 [Multi-domain] Cd Length: 130 Bit Score: 40.11 E-value: 4.13e-04

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  41 THSGECCKACNLGEGVAQPCGAN-QTVCEPClDSVTFSDVVSATEPCKPCTEC---LGLQSMSApCVEADDAVCRCSYGY 116
Cdd:cd15835  15 DGSNLCCSKCRPGTRLKTKCSETsDTVCEPC-PSGQYSENWNYYPNCFSCPKCkerKGLQYAQN-CSSTTNAVCVCKPGM 92

                        90       100
                ....*....|....*....|....*
gi 70794803 117 Y-----QDEETGRCEACSVCGVGSG 136
Cdd:cd15835  93 YcimgfDHPSCSECKKYRTCKPGYG 117

Tumor necrosis factor receptor superfamily members, virus-encoded; This family contains viral TNFR homologs that include vaccinia virus (VACV) cytokine response modifier E (CrmE), an encoded TNFR that shares significant sequence similarity with mammalian type 2 TNF receptors (TNFSFR1B, p75, TNFR type 2), a cowpox virus encoded cytokine-response modifier B (crmB), which is a secreted form of TNF receptor that can contribute to the modification of TNF-mediated antiviral processes, and a myxoma virus (MYXV) T2 (M-T2) protein that binds and inhibits rabbit TNF-alpha. The CrmE structure confirms that the canonical TNFR fold is adopted, but only one of the two "ligand-binding" loops of TNFRSF1A is conserved, suggesting a mechanism for the higher affinity of poxvirus TNFRs for TNFalpha over lymphotoxin-alpha. CrmB protein specifically binds TNF-alpha and TNF-beta indicating that cowpox virus seeks to invade antiviral processes mediated by TNF. Intracellular M-T2 blocks virus-induced lymphocyte apoptosis via a highly conserved viral preligand assembly domain (vPLAD), which controls receptor signaling competency prior to ligand binding.

Pssm-ID: 276935 [Multi-domain] Cd Length: 125 Bit Score: 39.85 E-value: 5.35e-04

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803 112 CSYGYYQDEETGRCeaCSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPCT-VCEDTERQLRECTPWADAE 190
Cdd:cd15839   1 CNGNDYNSNSNNLC--CKSCPPGTYASHLCDTTSNTKCDPCPSDTFTSIPNHIPACLSCRgRCSSNQVETKSCSNTQNRI 78


                ....*.
gi 70794803 191 CEEIPG 196
Cdd:cd15839  79 CSCAPG 84

Tumor necrosis factor receptor superfamily 11B (TNFRSF11B) in teleost; also known as Osteoprotegerin (OPG); This subfamily of TNFRSF11B (also known as Osteoprotegerin, OPG, TR1, OCIF) is found in teleosts. It is a secreted glycoprotein that regulates bone resorption. It binds to two ligands, RANKL (receptor activator of nuclear factor kappaB ligand, also known as osteoprotegerin ligand, OPGL, TRANCE, TNF-related activation induced cytokine), a critical cytokine for osteoclast differentiation, and TRAIL (TNF-related apoptosis-inducing ligand), involved in immune surveillance. Therefore, acting as a decoy receptor for RANKL and TRAIL, OPG inhibits the regulatory effects of nuclear factor-kappaB on inflammation, skeletal, and vascular systems, and prevents TRAIL-induced apoptosis. Studies in mice counterparts suggest that this protein and its ligand also play a role in lymph-node organogenesis and vascular calcification. Circulating OPG levels have emerged as independent biomarkers of cardiovascular disease (CVD) in patients with acute or chronic heart disease. OPG has also been implicated in various inflammations and linked to diabetes and poor glycemic control. Alternatively spliced transcript variants of this gene have been reported, although their full length nature has not been determined. Genetic analysis of the Japanese rice fish medaka (Oryzias latipes) has shown that entire networks for bone formation are conserved between teleosts and mammals; enabling medaka to be used as a genetic model to monitor bone homeostasis in vivo.

Pssm-ID: 276917 [Multi-domain] Cd Length: 129 Bit Score: 39.78 E-value: 5.86e-04

                        10        20        30        40        50        60        70
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 70794803 117 YQDEETGRCEACSVCGVGSGLVFSCQDKQNTVCEECPEGTYSDEANHVDPCLPC-TVCEDTERQLRECTPWADAECE 192
Cdd:cd13412  11 HRDPSTGKILTCKKCPPGTHMAAHCTATTQTKCLPCPAAHYTELWNYLPRCLYCnNFCSENQEVEIECSATNNRVCR 87

TNFR/NGFR cysteine-rich region;

Pssm-ID: 459633 [Multi-domain] Cd Length: 39 Bit Score: 37.29 E-value: 5.97e-04

                          10        20        30
                  ....*....|....*....|....*....|....*....
gi 70794803   112 CSYGYYQDEETG-RCEACSVCGVGSGLVFSCQDKQNTVC 149
Cdd:pfam00020   1 CPPGTYTDNWNGlKCLPCTVCPPGQVVVRPCTPTSDTVC 39

Tumor necrosis factor receptor superfamily member 3 (TNFRSF3), also known as lymphotoxin beta receptor (LTBR); TNFRSF3 (also known as lymphotoxin beta receptor, LTbetaR, CD18, TNFCR, TNFR3, D12S370, TNFR-RP, TNFR2-RP, LT-BETA-R, TNF-R-III) plays a role in signaling during development of lymphoid and other organs, lipid metabolism, immune response, and programmed cell death. Its ligands include lymphotoxin (LT) alpha/beta membrane form (heterotrimer) and tumor necrosis factor ligand superfamily member 14 (also known as LIGHT). TNFRSF3 agonism by these ligands initiates canonical, as well as non-canonical nuclear factor-kappaB (NF-kappaB) signaling, and preferentially results in the translocation of p52-RELB complexes into the nucleus. While these ligands are often expressed by T and B cells, TNFRSF3 is conspicuous absence on T and B lymphocytes and NK cells, suggesting that signaling may be unidirectional for TNFRSF3. Activity of this receptor has also been linked to carcinogenesis; it helps trigger apoptosis and can also lead to release of the interleukin 8 (IL8). Alternatively spliced transcript variants encoding multiple isoforms have been observed.

Pssm-ID: 276904 [Multi-domain] Cd Length: 158 Bit Score: 40.14 E-value: 7.12e-04

                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  46 CCKACNLGEGVAQPCGANQ-TVCEPCLDSV--TFSDVVSATEPCKPCTECLGLQSMsAPCVEADDAVCRCSYGYY---QD 119
Cdd:cd10578  48 CCSRCPPGTHVSAECSRSQdTVCATCPENSynEHWNHLSICQLCRPCDPVLGFEEV-APCTSDRKTQCRCQPGMFcvhWD 126

                        90
                ....*....|..
gi 70794803 120 EETGRCEACSVC 131
Cdd:cd10578 127 NECEHCEPLSDC 138

Tumor necrosis factor receptor superfamily member 21 (TNFRSF21), also known as death receptor (DR6); TNFRSF21 (also known as death receptor 6 (DR6), CD358, BM-018) is highly expressed in differentiating neurons as well as in the adult brain, and is upregulated in injured neurons. DR6 negatively regulates neurondendrocyte, axondendrocyte, and oligodendrocyte survival, hinders axondendrocyte and oligodendrocyte regeneration and its inhibition has a neuro-protective effect in nerve injury. It activates nuclear factor kappa-B (NFkB) and mitogen-activated protein kinase 8 (MAPK8, also called c-Jun N-terminal kinase 1), and induces cell apoptosis by associating with TNFRSF1A-associated via death domain (TRADD), which is known to mediate signal transduction of tumor necrosis factor receptors. TNFRSF21 plays a role in T-helper cell activation, and may be involved in inflammation and immune regulation. Its possible ligand is alpha-amyloid precursor protein (APP), hence probably involved in the development of Alzheimer's disease; when released, APP binds in an autocrine/paracrine manner to activate a caspase-dependent self-destruction program that removes unnecessary or connectionless axons. Increasing beta-catenin levels in brain endothelium upregulates TNFRSF21 and TNFRSF19, indicating that these death receptors are downstream target genes of Wnt/beta-catenin signaling, which has been shown to be required for blood-brain barrier development. DR6 is up-regulated in numerous solid tumors as well as in tumor vascular cells, including ovarian cancer and may be a clinically useful diagnostic and predictive serum biomarker for some adult sarcoma subtypes.

Pssm-ID: 276909 [Multi-domain] Cd Length: 159 Bit Score: 38.58 E-value: 2.18e-03

                        10        20        30        40        50        60
                ....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 70794803  34 TCSTGMYTHSGECC--KACNLGEGVAQPCGANQTV-CEPCLDSvTFSDVVSATEPCKPCTECLGL 95
Cdd:cd10583  80 TCPPGTFLSNDTCVphSVCPVGWGVRKKGTETEDVrCKPCPRG-TFSDVPSSVLKCKTYTDCLGL 143

Tumor necrosis factor receptor superfamily member 5 (TNFRSF5) in teleosts; also known as CD40; TNFRSF5 (commonly known as CD40 and also as CDW40, p50, Bp50) is widely expressed in diverse cell types including B lymphocytes, dendritic cells, platelets, monocytes, endothelial cells, and fibroblasts. It is essential in mediating a wide variety of immune and inflammatory responses, including T cell-dependent immunoglobulin class switching, memory B cell development, and germinal center formation. Its natural immunomodulating ligand is CD40L, and a primary defect in the CD40/CD40L system is associated with X-linked hyper-IgM (XHIM) syndrome. It is also involved in tumorigenesis; CD40 expression is significantly higher in gastric carcinomas and it is associated with the lymphatic metastasis of cancer cells and their tumor node metastasis (TNM) classification. Upregulated levels of CD40/CD40L on B cells and T cells may play an important role in the immune pathogenesis of breast cancer. Consequently, the CD40/CD40L system serves as a link between tumorigenesis, atherosclerosis, and the immune system, and offers a potential target for drug therapy for related diseases, such as cancer, atherosclerosis, diabetes mellitus, and immunological rejection. Salmon CD40 and CD40L are widely expressed, particularly in immune tissues, and their importance for the immune response is indicated by their relatively high expression in salmon lymphoid organs and gills.

Pssm-ID: 276927 [Multi-domain] Cd Length: 161 Bit Score: 37.02 E-value: 8.70e-03

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                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 70794803  34 TCSTGMYTHSGEC--C---KACNLGEGVAQPCG-ANQTVCEPCLDSvTFSDVVSATEPCKPCTECLGLQSMSAPCVEADD 107
Cdd:cd13422  79 KCKPGFHCSSEECltCvphTTCGPGQGVKSKGNhIRDTVCEECPDG-TFSNNSSAEGVCKKWTECESGYKVEAAGTNTSD 157


                ...
gi 70794803 108 AVC 110
Cdd:cd13422 158 NIC 160

Tumor necrosis factor receptor superfamily member 9 (TNFRSF9), also known as CD137; TNFRSF9 (also known as CD137, ILA, 4-1BB) plays a role in the immunobiology of human cancer where it is preferentially expressed on tumor-reactive subset of tumor-infiltrating lymphocytes. It can be expressed by activated T cells, but to a larger extent on CD8 than on CD4 T cells. In addition, CD137 expression is found on dendritic cells, follicular dendritic cells, natural killer cells, granulocytes and cells of blood vessel walls at sites of inflammation. It transduces signals that lead to the activation of NF-kappaB, mediated by the TRAF adaptor proteins. CD137 contributes to the clonal expansion, survival, and development of T cells. It can also induce proliferation in peripheral monocytes, enhance T cell apoptosis induced by TCR/CD3 triggered activation, and regulate CD28 co-stimulation to promote Th1 cell responses. CD137 is modulated by SAHA treatment in breast cancer cells, suggesting that the combination of SAHA with this receptor could be a new therapeutic approach for the treatment of tumors.

Pssm-ID: 276915 [Multi-domain] Cd Length: 138 Bit Score: 36.25 E-value: 9.62e-03

                        10        20        30        40        50        60
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 70794803 128 CSVCGVGSglvfSCQDKQNTVCEECPEGTYSDEANHVDpCLPCTVCEDTERQLRECTPWADAECEEIPG 196
Cdd:cd13410   6 CSNCPAGT----FCGKNKDQTCIPCPPNSFSSTGGQQT-CDICRKCEGVFRTKKPCSSTSNAECECVPG 69