Structure of PDB 2afi Chain O Binding Site BS02

Receptor Information
>2afi Chain O (length=262) Species: 354 (Azotobacter vinelandii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHS
KAQNTIMEMAAEAGTVEDLELEDVLKAGYGGVKCVESGGPEPGVGCAGRG
VITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGFAMPIRENKAQEIYIVC
SGEMMAMYAANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALAN
KLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEYRALARKVVDNK
LLVIPNPITMDE
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 chain2afi Chain P Residue 7290 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2afi Nitrogenase Complexes: Multiple Docking Sites for a Nucleotide Switch Protein
Resolution3.1 Å
Binding residue
(original residue number in PDB)		C97 C132
Binding residue
(residue number reindexed from 1)		C96 C131
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) K10 G12 K15 K41 D129
Catalytic site (residue number reindexed from 1) K9 G11 K14 K40 D128
Enzyme Commision number 1.18.6.1: nitrogenase.
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0016163 nitrogenase activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0009399 nitrogen fixation

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Molecular Function
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Biological Process
External links
PDB RCSB:2afi, PDBe:2afi, PDBj:2afi
PDBsum2afi
PubMed16123301
UniProtP00459|NIFH1_AZOVI Nitrogenase iron protein 1 (Gene Name=nifH1)

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