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5EC1

KcsA with V76ester mutation

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 PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue F09 C 2001
ChainResidue
AARG57
CLEU46
CLEU90
CVAL91
CVAL94

site_idAC2
Number of Residues7
Detailsbinding site for residue DGA C 2002
ChainResidue
CCYS70
CLEU86
CARG89
CSER44
CTYR45
CPRO63
CLEU66

site_idAC3
Number of Residues8
Detailsbinding site for residue K C 2003
ChainResidue
CGLY77
CGLY77
CGLY77
CGLY77
CTYR78
CTYR78
CTYR78
CTYR78

site_idAC4
Number of Residues8
Detailsbinding site for residue K C 2004
ChainResidue
CLHV76
CLHV76
CLHV76
CLHV76
CGLY77
CGLY77
CGLY77
CGLY77

site_idAC5
Number of Residues4
Detailsbinding site for residue K C 2005
ChainResidue
CTHR75
CTHR75
CTHR75
CTHR75

site_idAC6
Number of Residues4
Detailsbinding site for residue K C 2007
ChainResidue
CK2008
CK2008
CK2008
CK2008

site_idAC7
Number of Residues4
Detailsbinding site for residue K C 2008
ChainResidue
CK2007
CK2007
CK2007
CK2007

site_idAC8
Number of Residues14
Detailsbinding site for Ligand residues LHV C 76 through GLY C 77 bound to THR C 75
ChainResidue
CGLU71
CTHR74
CTHR75
CTHR75
CTYR78
CGLY79
CK2003
CK2003
CK2003
CK2003
CK2004
CK2004
CK2004
CK2004

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"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues16
DetailsTopological domain: {"description":"Extracellular"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsIntramembrane: {"description":"Helical; Pore-forming"}
ChainResidueDetails

244693

PDB entries from 2025-11-12

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