Structure of PDB 4gx2 Chain B Binding Site BS03

Receptor Information
>4gx2 Chain B (length=548) Species: 243231 (Geobacter sulfurreducens PCA) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RQNLKVLLLYCAFLLVMLLAYASIFRYLMWHLEGRAYSFMAGIYWTITVM
TTLGFGDITFESDAGYLFASIVTVSGVIFLDIILPFGFVSMFLAPWIERR
LRYHPTIELPDDTRGHILIFGIDPITRTLIRKLESRNHLFVVVTDNYDQA
LHLEEQEGFKVVYGSPTDAHVLAGLRVAAARSIIANLSDPDNANLCLTVR
SLCQTPIIAVVKEPVHGELLRLAGANQVVPLTRILGRYLGIRATTCGALA
HILDSFGNLQIAELPVHGTPFAGKTIGESGIRQRTGLSIIGVWERGSLTT
PQRETVLTEQSLLVLAGTKSQLAALEYLIGEAPEDELIFIIGHGRIGCAA
AAFLDRKPVPFILIDRQESPVCNDHVVVYGDATVGQTLRQAGIDRASGII
VTTNDDSTNIFLTLACRHLHSHIRIVARANGEENVDQLYAAGADFVVSNA
SVGANILGNLLEHKESAFLSEGMAVFRRPLPPAMAGKTIAETRLRPLTGC
SIVAIEAPDRADILISPPPETILAEGARLILIGTSEQEKTFDQTIAAR
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain4gx2 Chain B Residue 603 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4gx2 Distinct gating mechanisms revealed by the structures of a multi-ligand gated K(+) channel.
Resolution3.2 Å
Binding residue
(original residue number in PDB)		E449 N450 Q453
Binding residue
(residue number reindexed from 1)		E433 N434 Q437
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0003674 molecular_function
GO:0008324 monoatomic cation transmembrane transporter activity
GO:0046872 metal ion binding
Biological Process
GO:0006813 potassium ion transport
GO:0008150 biological_process
GO:0098655 monoatomic cation transmembrane transport
Cellular Component
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4gx2, PDBe:4gx2, PDBj:4gx2
PDBsum4gx2
PubMed23240087
UniProtQ74FS9

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