4TWK
Crystal structure of human two pore domain potassium ion channel TREK1 (K2P2.1)
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005267 | molecular_function | potassium channel activity |
| A | 0016020 | cellular_component | membrane |
| A | 0071805 | biological_process | potassium ion transmembrane transport |
| B | 0005267 | molecular_function | potassium channel activity |
| B | 0016020 | cellular_component | membrane |
| B | 0071805 | biological_process | potassium ion transmembrane transport |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 140 |
| Details | Transmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 52 |
| Details | Intramembrane: {"description":"Pore-forming; Name=Pore-forming 1","evidences":[{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 60 |
| Details | Topological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 10 |
| Details | Region: {"description":"Selectivity filter 1","evidences":[{"source":"UniProtKB","id":"Q920B6","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 10 |
| Details | Region: {"description":"Selectivity filter 2","evidences":[{"source":"UniProtKB","id":"Q920B6","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 4 |
| Details | Binding site: {"evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"JUN-2014","submissionDatabase":"PDB data bank","title":"Crystal structure of human two pore domain potassium ion channel TREK1 (K2P2.1).","authoringGroup":["Structural genomics consortium (SGC)"]}},{"source":"PDB","id":"4TWK","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 12 |
| Details | Binding site: {"evidences":[{"source":"UniProtKB","id":"P97438","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 2 |
| Details | Site: {"description":"pH sensor","evidences":[{"source":"UniProtKB","id":"P97438","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 2 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"},{"source":"PDB","id":"4TWK","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 1 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
