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2QKS

Crystal structure of a Kir3.1-prokaryotic Kir channel chimera

Functional Information from GO Data
ChainGOidnamespacecontents
A0005242molecular_functioninward rectifier potassium channel activity
A0006813biological_processpotassium ion transport
A0015467molecular_functionG-protein activated inward rectifier potassium channel activity
A0016020cellular_componentmembrane
B0005242molecular_functioninward rectifier potassium channel activity
B0006813biological_processpotassium ion transport
B0015467molecular_functionG-protein activated inward rectifier potassium channel activity
B0016020cellular_componentmembrane
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues22
DetailsIntramembrane: {"description":"Helical; Pore-forming; Name=H5","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues27
DetailsRegion: {"description":"Polyphosphoinositide (PIP2)-binding","evidences":[{"source":"UniProtKB","id":"P63251","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Role in the control of polyamine-mediated channel gating and in the blocking by intracellular magnesium","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

245663

PDB entries from 2025-12-03

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