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4QE7

Open MthK pore structure soaked in 10 mM Ba2+/100 mM Na+

Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE BA A 101
ChainResidue
AVAL60
ABA102
ABA102
ABA102
AHOH201
AHOH201
AHOH201
AHOH201
AVAL60
AVAL60
AVAL60
AGLY61
AGLY61
AGLY61
AGLY61
ABA102

site_idAC2
Number of Residues16
DetailsBINDING SITE FOR RESIDUE BA A 102
ChainResidue
ATHR59
ATHR59
ATHR59
ATHR59
AVAL60
AVAL60
AVAL60
AVAL60
ABA101
ABA101
ABA101
ABA101
ABA103
ABA103
ABA103
ABA103

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE BA A 103
ChainResidue
ATHR59
ATHR59
ATHR59
ATHR59
ABA102
ABA102
ABA102
ABA102

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=Outer helix M1"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsTopological domain: {"description":"Extracellular"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsIntramembrane: {"description":"Helical; Pore-forming","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues5
DetailsIntramembrane: {"description":"Pore-forming","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=Inner helix M2"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues5
DetailsMotif: {"description":"Selectivity filter"}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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