Structure of PDB 4ucq Chain B Binding Site BS03

Receptor Information
>4ucq Chain B (length=261) Species: 878 (Solidesulfovibrio fructosivorans) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KHRPSVVWLHNAECDGCTEAAIRTIKPYIDALILDTISLDYQETIMAAAG
EAAEAALHQALEGKDGYYLVVEGGLPTIDGGQWGMVAGHPMIETTKKAAA
KAKGIICIGTCSAYGGVQKAKPNPSQAKGVSEALGVKTINIPGCPPNPIN
FVGAVVHVLTKGIPDLDENGRPKLFYGELVHDNCPRLPHFEASEFAPSFD
SEEAKKGFCLYELGCKGPVTYNNCPKVLFNQVNWPVQAGHPCLGCSEPDF
WDTMTPFYEQG
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 chain4ucq Chain B Residue 1267 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4ucq A threonine stabilizes the NiC and NiR catalytic intermediates of [NiFe]-hydrogenase.
Resolution2.6 Å
Binding residue
(original residue number in PDB)		E16 C17 G19 C20 G112 C114 C147 P148
Binding residue
(residue number reindexed from 1)		E13 C14 G16 C17 G109 C111 C144 P145
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C17 C20 C114 C147 H184 C187 C212 C218 C227 P238 C245 C248
Catalytic site (residue number reindexed from 1) C14 C17 C111 C144 H181 C184 C209 C215 C224 P235 C242 C245
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:4ucq, PDBe:4ucq, PDBj:4ucq
PDBsum4ucq
PubMed25666617
UniProtP18187|PHNS_SOLFR Periplasmic [NiFe] hydrogenase small subunit (Gene Name=hydA)

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