Structure of PDB 1nek Chain B Binding Site BS03

Receptor Information
>1nek Chain B (length=238) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MRLEFSIYRYNPDVDDAPRMQDYTLEADEGRDMMLLDALIQLKEKDPSLS
FRRSCREGVCGSDGLNMNGKNGLACITPISALNQPGKKIVIRPLPGLPVI
RDLVVDMGQFYAQYEKIKPYLLNNGQNPPAREHLQMPEQREKLDGLYECI
LCACCSTSCPSFWWNPDKFIGPAGLLAAYRFLIDSRDTETDSRLDGLSDA
FSVFRCHSIMNCVSVCPKGLNPTRAIGHIKSMLLQRNA
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 chain1nek Chain B Residue 303 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1nek Architecture of succinate dehydrogenase and reactive oxygen species generation.
Resolution2.6 Å
Binding residue
(original residue number in PDB)		C149 I150 C152 A153 C154 C155 A173 C216 L220
Binding residue
(residue number reindexed from 1)		C149 I150 C152 A153 C154 C155 A173 C216 L220
Annotation score1
Enzymatic activity
Enzyme Commision number 1.3.5.1: succinate dehydrogenase.
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0008177 succinate dehydrogenase (quinone) activity
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051536 iron-sulfur cluster binding
GO:0051537 2 iron, 2 sulfur cluster binding
GO:0051538 3 iron, 4 sulfur cluster binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0006099 tricarboxylic acid cycle
GO:0009060 aerobic respiration
GO:0019646 aerobic electron transport chain
GO:0022904 respiratory electron transport chain
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1nek, PDBe:1nek, PDBj:1nek
PDBsum1nek
PubMed12560550
UniProtP07014|SDHB_ECOLI Succinate dehydrogenase iron-sulfur subunit (Gene Name=sdhB)

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