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6BY2

Closed and deep-inactivated conformation of KcsA-T75A mutant

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 Residues4
Detailsbinding site for residue F09 A 2001
ChainResidue
AARG57
CALA50
CTRP87
CHOH1113

site_idAC2
Number of Residues5
Detailsbinding site for residue DGA C 1001
ChainResidue
AASP102
BGLU53
CPRO63
CLEU86
CARG89

site_idAC3
Number of Residues6
Detailsbinding site for residue K C 1002
ChainResidue
CGLY77
CGLY77
CGLY77
CHOH1124
CHOH1124
CHOH1124

site_idAC4
Number of Residues3
Detailsbinding site for residue K C 1003
ChainResidue
CALA75
CALA75
CALA75

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

246031

PDB entries from 2025-12-10

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