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6F48

Structure of quinolinate synthase with reaction intermediates X and Y

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Quinolinate synthase Apolymer30534640.61UniProt (Q9X1X7)
Pfam (PF02445)
Thermotoga maritima
2B
(A)
IRON/SULFUR CLUSTERnon-polymer351.61Chemie (SF4)
3C
(A)
2-imino,3-carboxy,5-hydroxy,6-oxo hexanoic acidnon-polymer203.11Chemie (XQB)
4D
(A)
GLYCEROLnon-polymer92.11Chemie (GOL)
5E, G
(A)
CHLORIDE IONnon-polymer35.52Chemie (CL)
6F
(A)
5-hydroxy,-4,5-dihydroquinolinatenon-polymer185.11Chemie (YQA)
7H
(A)
waterwater18.0314Chemie (HOH)
Sequence modifications
A: 1 - 298 (UniProt: Q9X1X7)
PDBExternal DatabaseDetails
Met -6-initiating methionine
His -5-expression tag
His -4-expression tag
His -3-expression tag
His -2-expression tag
His -1-expression tag
His 0-expression tag
Phe 21Tyr 21engineered mutation
Arg 219Lys 219engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight34640.6
Non-Polymers*Number of molecules6
Total formula weight902.9
All*Total formula weight35543.5
*Water molecules are not included.

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PDB entries from 2025-07-23

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