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7SQW

Structure of the KcsA-W67F mutant with the activation gate in the closed conformation

Functional Information from GO Data
ChainGOidnamespacecontents
C0005249molecular_functionvoltage-gated potassium channel activity
C0006813biological_processpotassium ion transport
C0008076cellular_componentvoltage-gated potassium channel complex
Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YTCEATH
ChainResidueDetails
BTYR192-HIS198

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues45
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues16
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsIntramembrane: {"description":"Helical; Pore-forming","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues7
DetailsIntramembrane: {"description":"Pore-forming","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues5
DetailsMotif: {"description":"Selectivity filter"}
ChainResidueDetails

243911

PDB entries from 2025-10-29

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