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1ORS

X-ray structure of the KvAP potassium channel voltage sensor in complex with an Fab

Functional Information from GO Data
ChainGOidnamespacecontents
A0002250biological_processadaptive immune response
A0005576cellular_componentextracellular region
A0005886cellular_componentplasma membrane
A0030183biological_processB cell differentiation
A0042105cellular_componentalpha-beta T cell receptor complex
A0071735cellular_componentIgG immunoglobulin complex
C0005216molecular_functionmonoatomic ion channel activity
C0006811biological_processmonoatomic ion transport
C0016020cellular_componentmembrane
C0055085biological_processtransmembrane transport
Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YTCEATH
ChainResidueDetails
ATYR192-HIS198

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues97
DetailsDomain: {"description":"Ig-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU00114","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues96
DetailsRegion: {"description":"CH1"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=Segment S1"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues5
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=Segment S2"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues18
DetailsTopological domain: {"description":"Cytoplasmic"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues8
DetailsIntramembrane: {"description":"Helical; Name=Segment S3A"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues16
DetailsTransmembrane: {"description":"Helical; Voltage-sensor; Name=Segment S3B"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues16
DetailsTransmembrane: {"description":"Helical; Voltage-sensor; Name=Segment S4"}
ChainResidueDetails

243911

PDB entries from 2025-10-29

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