Structure of PDB 1c4a Chain A Binding Site BS04

Receptor Information
>1c4a Chain A (length=574) Species: 1501 (Clostridium pasteurianum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKTIIINGVQFNTDEDTTILKFARDNNIDISALCFLNNCNNDINKCEICT
VEVEGTGLVTACDTLIEDGMIINTNSDAVNEKIKSRISQLLDIHEFKCGP
CNRRENCEFLKLVIKYKARASKPFLPKDKTEYVDERSKSLTVDRTKCLLC
GRCVNACGKNTETYAMKFLNKNGKTIIGAEDEKCFDDTNCLLCGQCIIAC
PVAALSEKSHMDRVKNALNAPEKHVIVAMAPSVRASIGELFNMGFGVDVT
GKIYTALRQLGFDKIFDINFGADMTIMEEATELVQRIENNGPFPMFTSCC
PGWVRQAENYYPELLNNLSSAKSPQQIFGTASKTYYPSISGLDPKNVFTV
TVMPCTSKKFEADRPQMEKDGLRDIDAVITTRELAKMIKDAKIPFAKLED
SEADPAMGEYSGAGAIFGATGGVMEAALRSAKDFAENAELEDIEYKQVRG
LNGIKEAEVEINNNKYNVAVINGASNLFKFMKSGMINEKQYHFIEVMACH
GGCVNGGGQPHVNPKDLEKVDIKKVRASVLYNQDEHLSKRKSHENTALVK
MYQNYFGKPGEGRAHEILHFKYKK
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 chain1c4a Chain A Residue 583 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1c4a Binding of exogenously added carbon monoxide at the active site of the iron-only hydrogenase (CpI) from Clostridium pasteurianum.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		C147 L148 L149 C150 G151 C153 I177 C200 P201 A204 L205
Binding residue
(residue number reindexed from 1)		C147 L148 L149 C150 G151 C153 I177 C200 P201 A204 L205
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E279 E282 C299 S319 K358 E361 Q366 C503
Catalytic site (residue number reindexed from 1) E279 E282 C299 S319 K358 E361 Q366 C503
Enzyme Commision number 1.12.7.2: ferredoxin hydrogenase.
Gene Ontology
Molecular Function
GO:0005506 iron ion binding
GO:0008901 ferredoxin hydrogenase activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051536 iron-sulfur cluster binding
GO:0051539 4 iron, 4 sulfur cluster binding

View graph for
Molecular Function
External links
PDB RCSB:1c4a, PDBe:1c4a, PDBj:1c4a
PDBsum1c4a
PubMed10529166
UniProtP29166|PHF1_CLOPA Iron hydrogenase 1

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