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7LJB

Human TRAAK K+ channel mutant G158D in a K+ bound conductive conformation

Functional Information from GO Data
ChainGOidnamespacecontents
A0005267molecular_functionpotassium channel activity
A0016020cellular_componentmembrane
A0071805biological_processpotassium ion transmembrane transport
B0005267molecular_functionpotassium channel activity
B0016020cellular_componentmembrane
B0071805biological_processpotassium ion transmembrane transport
Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YTCEATH
ChainResidueDetails
DTYR191-HIS197

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=M1","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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues28
DetailsIntramembrane: {"description":"Pore-forming; Name=PH1","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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues20
DetailsIntramembrane: {"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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues54
DetailsTopological 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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues64
DetailsTransmembrane: {"description":"Helical; Name=M2","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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues42
DetailsTopological 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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues42
DetailsTransmembrane: {"description":"Helical; Name=M3","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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues22
DetailsIntramembrane: {"description":"Pore-forming; Name=PH2","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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues26
DetailsTransmembrane: {"description":"Helical; Name=M4","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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues10
DetailsRegion: {"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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues10
DetailsRegion: {"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"},{"source":"PDB","id":"3UM7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I9W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4RUE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues4
DetailsBinding 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"},{"source":"PDB","id":"4WFF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25471887","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4WFE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4WFF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

259693

PDB entries from 2026-09-16

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