Structure of PDB 4ko3 Chain T Binding Site BS04

Receptor Information
>4ko3 Chain T (length=279) Species: 899 (Desulfomicrobium baculatum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AKKAPVIWVQGQGCTGCSVSLLNAVHPRIKEILLDVISLEFHPTVMASEG
EMALAHMYEIAEKFNGNFFLLVEGAIPTAKEGRYCIVGETLDAKGHHHEV
TMMELIRDLAPKSLATVAVGTCSAYGGIPAAEGNVTGSKSVRDFFADEKI
EKLLVNVPGCPPHPDWMVGTLVAAWSHVLNPTEHPLPELDDDGRPLLFFG
DNIHENCPYLDKYDNSEFAETFTKPGCKAELGCKGPSTYADCAKRRWNNG
INWCVENAVCIGCVEPDFPDGKSPFYVAE
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 chain4ko3 Chain T Residue 305 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4ko3 Structural foundations for the O2 resistance of Desulfomicrobium baculatum [NiFeSe]-hydrogenase.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		D271 G275
Binding residue
(residue number reindexed from 1)		D267 G271
Annotation score1
Enzymatic activity
Enzyme Commision number 1.12.99.6: hydrogenase (acceptor).
Gene Ontology
Molecular Function
GO:0008901 ferredoxin hydrogenase activity
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0033748 hydrogenase (acceptor) activity
GO:0046872 metal ion binding
GO:0051536 iron-sulfur cluster binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0009061 anaerobic respiration
Cellular Component
GO:0009375 ferredoxin hydrogenase complex
GO:0016020 membrane
GO:0042597 periplasmic space
GO:0044569 [Ni-Fe] hydrogenase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4ko3, PDBe:4ko3, PDBj:4ko3
PDBsum4ko3
PubMed23811828
UniProtP13063|PHSS_DESBA Periplasmic [NiFeSe] hydrogenase small subunit

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