Structure of PDB 1kek Chain B Binding Site BS03

Receptor Information
>1kek Chain B (length=1231) Species: 873 (Desulfocurvibacter africanus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GKKMMTTDGNTATAHVAYAMSEVAAIYPITPSSTMGEEADDWAAQGRKNI
FGQTLTIREMQSEAGAAGAVHGALAAGALTTTFTASQGLLLMIPNMYKIS
GELLPGVFHVTARAIAAHALSIFGDHQDIYAARQTGFAMLASSSVQEAHD
MALVAHLAAIESNVPFMHFFDGFRTSHEIQKIEVLDYADMASLVNQKALA
EFRAKSMNPEHPHVRGTAQNPDIYFQGREAANPYYLKVPGIVAEYMQKVA
SLTGRSYKLFDYVGAPDAERVIVSMGSSCETIEEVINHLAAKGEKIGLIK
VRLYRPFVSEAFFAALPASAKVITVLDRTKEPGAPGDPLYLDVCSAFVER
GEAMPKILAGRYGLGSKEFSPAMVKSVYDNMSGAKKNHFTVGIEDDVTGT
SLPVDNAFADTTPKGTIQCQFWGLGADGTVGANKQAIKIIGDNTDLFAQG
YFSYDSKKSGGITISHLRFGEKPIQSTYLVNRADYVACHNPAYVGIYDIL
EGIKDGGTFVLNSPWSSLEDMDKHLPSGIKRTIANKKLKFYNIDAVKIAT
DVGLGGRINMIMQTAFFKLAGVLPFEKAVDLLKKSIHKAYGKKGEKIVKM
NTDAVDQAVTSLQEFKYPDSWKDAPAETKAEPMTNEFFKNVVKPILTQQG
DKLPVSAFEADGRFPLGTSQFEKRGVAINVPQWVPENCIQCNQCAFVCPH
SAILPVLAKEEELVGAPANFTALEAKGKELKGYKFRIQINTLDCMGCGNC
ADICPPKEKALVMQPLDTQRDAQVPNLEYAARIPVKSEVLPRDSLKGSQF
QEPLMEFSGACSGCGETPYVRVITQLFGERMFIANATGCSSIWGASAPSM
PYKTNRLGQGPAWGNSLFEDAAEYGFGMNMSMFARRTHLADLAAKALESD
ASGDVKEALQGWLAGKNDPIKSKEYGDKLKKLLAGQKDGLLGQIAAMSDL
YTKKSVWIFGGDGWAYDIGYGGLDHVLASGEDVNVFVMDTEVYSNTGGQS
SKATPTGAVAKFAAAGKRTGKKDLARMVMTYGYVYVATVSMGYSKQQFLK
VLKEAESFPGPSLVIAYATCINQGLRKGMGKSQDVMNTAVKSGYWPLFRY
DPRLAAQGKNPFQLDSKAPDGSVEEFLMAQNRFAVLDRSFPEDAKRLRAQ
VAHELDVRFKELEHMAATNIFESFAPAGGKADGSVDFGEGAEFCTRDDTP
MMARPDSGEACDQNRAGTSEQQGDLSKRTKK
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 chain1kek Chain B Residue 3233 [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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PDB1kek Crystal structure of the free radical intermediate of pyruvate:ferredoxin oxidoreductase.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		W684 C689 I690 Q691 C692 N693 C695 I738 C755 P756 A761 L762
Binding residue
(residue number reindexed from 1)		W683 C688 I689 Q690 C691 N692 C694 I737 C754 P755 A760 L761
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) T31 E64 R114 N996
Catalytic site (residue number reindexed from 1) T30 E63 R113 N995
Enzyme Commision number 1.2.7.1: pyruvate synthase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0005506 iron ion binding
GO:0016491 oxidoreductase activity
GO:0016903 oxidoreductase activity, acting on the aldehyde or oxo group of donors
GO:0019164 pyruvate synthase activity
GO:0030976 thiamine pyrophosphate binding
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0006086 acetyl-CoA biosynthetic process from pyruvate
GO:0006979 response to oxidative stress
GO:0022900 electron transport chain
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1kek, PDBe:1kek, PDBj:1kek
PDBsum1kek
PubMed11752578
UniProtP94692|PFOR_DESAF Pyruvate:ferredoxin oxidoreductase (Gene Name=por)

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