Structure of PDB 4ttt Chain S Binding Site BS02

Receptor Information
>4ttt Chain S (length=269) Species: 381666 (Cupriavidus necator H16) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PRTPVLWLHGLECTCCSESFIRSAHPLAKDVVLSMISLDYDDTLMAAAGH
QAEAILEEIMTKYKGNYILAVEGNPPLNQDGMSCIIGGRPFIEQLKYVAK
DAKAIISWGSCASWGCVQAAKPNPTQATPVHKVITDKPIIKVPGCPPIAE
VMTGVITYMLTFDRIPELDRQGRPKMFYSQRIHDKCYRRPHFDAGQFVEE
WDDESARKGFCLYKMGCKGPTTYNACSTTRWNEGTSFPIQSGHGCIGCSE
DGFWDKGSFYDRLTGISQF
Ligand information
Ligand IDF3S
InChIInChI=1S/3Fe.4S
InChIKeyFCXHZBQOKRZXKS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.385S1[Fe]S[Fe]2S[Fe]1S2
OpenEye OEToolkits 2.0.7S1[Fe]2S[Fe]3[S]2[Fe]1S3
FormulaFe3 S4
NameFE3-S4 CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain4ttt 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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PDB4ttt Tracking the route of molecular oxygen in O2-tolerant membrane-bound [NiFe] hydrogenase
Resolution1.72 Å
Binding residue
(original residue number in PDB)		N228 C230 W235 P242 C249 I250 C252
Binding residue
(residue number reindexed from 1)		N224 C226 W231 P238 C245 I246 C248
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C149 P242 C249 C252
Catalytic site (residue number reindexed from 1) C145 P238 C245 C248
Enzyme Commision number 1.12.99.6: hydrogenase (acceptor).
Gene Ontology
Molecular Function
GO:0005515 protein binding
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:0051538 3 iron, 4 sulfur cluster binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0009061 anaerobic respiration
Cellular Component
GO:0005886 plasma membrane
GO:0009375 ferredoxin hydrogenase complex
GO:0016020 membrane
GO:0044569 [Ni-Fe] hydrogenase complex

View graph for
Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4ttt, PDBe:4ttt, PDBj:4ttt
PDBsum4ttt
PubMed
UniProtP31892|MBHS_CUPNH Uptake hydrogenase small subunit (Gene Name=hoxK)

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