Structure of PDB 1h2r Chain S Binding Site BS02

Receptor Information
>1h2r Chain S (length=267) Species: 883 (Nitratidesulfovibrio vulgaris str. 'Miyazaki F') [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LMGPRRPSVVYLHNAECTGCSESVLRAFEPYIDTLILDTLSLDYHETIMA
AAGDAAEAALEQAVNSPHGFIAVVEGGIPTAANGIYGKVANHTMLDICSR
ILPKAQAVIAYGTCATFGGVQAAKPNPTGAKGVNDALKHLGVKAINIAGC
PPNPYNLVGTIVYYLKNKAAPELDSLNRPTMFFGQTVHEQCPRLPHFDAG
EFAPSFESEEARKGWCLYELGCKGPVTMNNCPKIKFNQTNWPVDAGHPCI
GCSEPDFWDAMTPFYQN
Ligand information
Ligand IDSF4
InChIInChI=1S/4Fe.4S
InChIKeyLJBDFODJNLIPKO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
CACTVS 3.385S1[Fe]S[Fe]1.S2[Fe]S[Fe]2
FormulaFe4 S4
NameIRON/SULFUR CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain1h2r Chain S Residue 1002 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1h2r Removal of the bridging ligand atom at the Ni-Fe active site of [NiFe] hydrogenase upon reduction with H2, as revealed by X-ray structure analysis at 1.4 A resolution.
Resolution1.4 Å
Binding residue
(original residue number in PDB)		H188 C191 R193 L194 C216 L217 C222 P225
Binding residue
(residue number reindexed from 1)		H188 C191 R193 L194 C216 L217 C222 P225
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C222 C231
Catalytic site (residue number reindexed from 1) C222 C231
Enzyme Commision number 1.12.2.1: cytochrome-c3 hydrogenase.
Gene Ontology
Molecular Function
GO:0008901 ferredoxin hydrogenase activity
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0047806 cytochrome-c3 hydrogenase activity
GO:0051536 iron-sulfur cluster binding
GO:0051538 3 iron, 4 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:1h2r, PDBe:1h2r, PDBj:1h2r
PDBsum1h2r
PubMed10378274
UniProtP21853|PHNS_NITV9 Periplasmic [NiFe] hydrogenase small subunit (Gene Name=hydA)

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