4TWK: Crystal structure of human two pore domain potassium ion channel TREK1 (K2P2.1)

PDB ID: 4TWKDownload
MMDB ID: 122248
PDB Deposition Date: 2014/6/30
Updated in MMDB: 2023/12
Experimental Method:
x-ray diffraction
Resolution: 2.6  Å
Source Organism:
Similar Structures:
Biological Unit for 4TWK: dimeric; determined by author and by software (PISA)
Molecular Components in 4TWK
Label Count Molecule
Proteins (2 molecules)
2
Potassium Channel Subfamily K Member 2
(Gene symbol: KCNK2)
Molecule annotation
Chemicals and Non-standard biopolymers (10 molecules)
1
3
POTASSIUM IONPOTASSIUM ION
2
5
Octyl Glucose Neopentyl GlycolOctyl Glucose Neopentyl Glycol
3
1
MAGNESIUM IONMAGNESIUM ION
4
1
2-acetamido-2-deoxy-beta-D-glucopyranose2-acetamido-2-deoxy-beta-D-glucopyranose
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303