pfam01365: RYDR_ITPR (this model, PSSM-Id:279676 is obsolete and has been replaced by 460175)
RIH domain
The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types of calcium channels. This region is found in the ryanodine receptor and the inositol-1,4,5- trisphosphate receptor. This domain may form a binding site for IP3.