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3RBZ

MthK channel, Ca2+-bound

Functional Information from GO Data
ChainGOidnamespacecontents
A0005886cellular_componentplasma membrane
A0006811biological_processmonoatomic ion transport
A0006813biological_processpotassium ion transport
A0008324molecular_functionmonoatomic cation transmembrane transporter activity
A0034220biological_processmonoatomic ion transmembrane transport
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
A0098655biological_processmonoatomic cation transmembrane transport
B0005886cellular_componentplasma membrane
B0006811biological_processmonoatomic ion transport
B0006813biological_processpotassium ion transport
B0008324molecular_functionmonoatomic cation transmembrane transporter activity
B0034220biological_processmonoatomic ion transmembrane transport
B0042802molecular_functionidentical protein binding
B0046872molecular_functionmetal ion binding
B0098655biological_processmonoatomic cation transmembrane transport
C0005886cellular_componentplasma membrane
C0006811biological_processmonoatomic ion transport
C0006813biological_processpotassium ion transport
C0008324molecular_functionmonoatomic cation transmembrane transporter activity
C0034220biological_processmonoatomic ion transmembrane transport
C0042802molecular_functionidentical protein binding
C0046872molecular_functionmetal ion binding
C0098655biological_processmonoatomic cation transmembrane transport
D0005886cellular_componentplasma membrane
D0006811biological_processmonoatomic ion transport
D0006813biological_processpotassium ion transport
D0008324molecular_functionmonoatomic cation transmembrane transporter activity
D0034220biological_processmonoatomic ion transmembrane transport
D0042802molecular_functionidentical protein binding
D0046872molecular_functionmetal ion binding
D0098655biological_processmonoatomic cation transmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 341
ChainResidue
AARG241
AASP245
AGLU248
DGLU266

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA A 342
ChainResidue
AASP184
AGLU210
AGLU212

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA A 343
ChainResidue
DGLU326
AASP305
DGLY290

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA B 341
ChainResidue
BARG241
BASP245
BGLU248
CGLU266

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA B 342
ChainResidue
BASP184
BGLU210
BGLU212

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA B 343
ChainResidue
BASP305
CGLY290
CGLU326

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA C 341
ChainResidue
BGLU266
CARG241
CASP245
CGLU248

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA C 342
ChainResidue
CASP184
CGLU210
CGLU212

site_idAC9
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA C 343
ChainResidue
BGLY290
BGLU326
CASP305

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA D 341
ChainResidue
AGLU266
DARG241
DASP245
DGLU248

site_idBC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA D 342
ChainResidue
DASP184
DGLU210
DGLU212

site_idBC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA D 343
ChainResidue
AGLY290
AGLU326
DASP305

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues40
DetailsTopological domain: {"description":"Extracellular"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues36
DetailsIntramembrane: {"description":"Helical; Pore-forming","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues20
DetailsIntramembrane: {"description":"Pore-forming","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues336
DetailsDomain: {"description":"RCK C-terminal","evidences":[{"source":"PROSITE-ProRule","id":"PRU00544","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues20
DetailsMotif: {"description":"Selectivity filter"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues12
DetailsBinding site: {}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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