Structure of PDB 7p4q Chain A Binding Site BS02

Receptor Information
>7p4q Chain A (length=303) Species: 243274 (Thermotoga maritima MSB8) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HHHHHMVDEILKLKKEKGYIILAHNYQIPELQDIADFVGDSLQLARKAME
LSEKKILFLGVDFMAELVKILNPDKKVIVPDRSATCPMANRLTPEIIREY
REKFPDAPVVLYVNSTSECKTLADVICTAANAVEVVKKLDSSVVIFGPDR
NLGEYVAEKTGKKVITIPENGHCPVHQFNAESIDAVRKKYPDAKVIVHPE
CPKPVRDKADYVGSTGQMEKIPERDPSRIFVIGTEIGMIHKLKKKFPDRE
FVPLEMAVCVNMKKNTLENTLHALQTESFEVILPKEVIEKAKKPILRMFE
LMG
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 chain7p4q Chain A Residue 303 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7p4q Transient Formation of a Second Active Site Cavity during Quinolinic Acid Synthesis by NadA.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		Y21 C81 N109 C168 C254
Binding residue
(residue number reindexed from 1)		Y26 C86 N114 C173 C259
Annotation score1
Enzymatic activity
Enzyme Commision number 2.5.1.72: quinolinate synthase.
Gene Ontology
Molecular Function
GO:0008987 quinolinate synthetase A activity
GO:0016740 transferase activity
GO:0016765 transferase activity, transferring alkyl or aryl (other than methyl) groups
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0009435 NAD biosynthetic process
GO:0019363 pyridine nucleotide biosynthetic process
GO:0019805 quinolinate biosynthetic process
GO:0034628 'de novo' NAD biosynthetic process from aspartate
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:7p4q, PDBe:7p4q, PDBj:7p4q
PDBsum7p4q
PubMed34609124
UniProtQ9X1X7|NADA_THEMA Quinolinate synthase (Gene Name=nadA)

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