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5WKV

Structure of an acid sensing ion channel in a resting state with calcium

Functional Information from GO Data
ChainGOidnamespacecontents
A0005272molecular_functionsodium channel activity
A0006814biological_processsodium ion transport
A0015280molecular_functionligand-gated sodium channel activity
A0016020cellular_componentmembrane
B0005272molecular_functionsodium channel activity
B0006814biological_processsodium ion transport
B0015280molecular_functionligand-gated sodium channel activity
B0016020cellular_componentmembrane
C0005272molecular_functionsodium channel activity
C0006814biological_processsodium ion transport
C0015280molecular_functionligand-gated sodium channel activity
C0016020cellular_componentmembrane
Functional Information from PROSITE/UniProt
site_idPS01206
Number of Residues21
DetailsASC Amiloride-sensitive sodium channels signature. YsiTaCridCeTryLVenCnC
ChainResidueDetails
ATYR304-CYS324

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues63
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"24507937","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NTW","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues704
DetailsTopological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"24507937","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NTW","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues87
DetailsTransmembrane: {"description":"Discontinuously helical","evidences":[{"source":"PubMed","id":"24507937","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NTW","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsMotif: {"description":"GAS motif; ion selectivity filter","evidences":[{"source":"PubMed","id":"22842900","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"24507937","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsSite: {"description":"Involved in channel desensitization; the process by which the channel becomes unresponsive to proton stimulation","evidences":[{"source":"PubMed","id":"22842900","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues3
DetailsSite: {"description":"Involved in proton-dependent gating","evidences":[{"source":"UniProtKB","id":"P78348","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues6
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"17882215","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22760635","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22842900","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2QTS","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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