4RUF
Human K2P4.1 (TRAAAK) potassium channel, W262S mutant
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 PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE K A 401 |
| Chain | Residue |
| A | THR129 |
| A | ILE130 |
| A | THR238 |
| A | VAL239 |
| B | THR129 |
| B | ILE130 |
| B | THR238 |
| B | VAL239 |
| B | K401 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE K A 402 |
| Chain | Residue |
| A | THR129 |
| A | THR238 |
| B | THR129 |
| B | THR238 |
| site_id | AC3 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE K A 403 |
| Chain | Residue |
| A | GLY131 |
| A | TYR132 |
| A | GLY240 |
| A | PHE241 |
| B | GLY131 |
| B | TYR132 |
| B | GLY240 |
| B | PHE241 |
| B | K401 |
| site_id | AC4 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE K B 401 |
| Chain | Residue |
| A | ILE130 |
| A | GLY131 |
| A | VAL239 |
| A | GLY240 |
| A | K401 |
| A | K403 |
| B | ILE130 |
| B | GLY131 |
| B | VAL239 |
| B | GLY240 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 44 |
| Details | Topological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"22282805","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23341632","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25500157","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 146 |
| Details | Transmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"22282805","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23341632","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25500157","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 28 |
| Details | Intramembrane: {"description":"Helical; Name=Pore helix 1","evidences":[{"source":"PubMed","id":"22282805","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23341632","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25500157","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 22 |
| Details | Intramembrane: {"evidences":[{"source":"PubMed","id":"22282805","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23341632","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25500157","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 48 |
| Details | Topological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"22282805","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23341632","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25500157","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 26 |
| Details | Intramembrane: {"description":"Helical; Name=Pore helix 2","evidences":[{"source":"PubMed","id":"22282805","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23341632","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25500157","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 10 |
| Details | Region: {"description":"Selectivity filter 1","evidences":[{"source":"PubMed","id":"22282805","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23341632","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25500157","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 10 |
| Details | Region: {"description":"Selectivity filter 2","evidences":[{"source":"PubMed","id":"22282805","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23341632","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25500157","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 4 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"34390650","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7LJ5","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 4 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"23341632","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI11 |
| Number of Residues | 8 |
| Details | Binding site: {"evidences":[{"source":"UniProtKB","id":"P57789","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 1 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
