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quinolinate synthetase complex, A subunit This protein, termed NadA, plays a role in the synthesis of pyridine, a precursor to NAD. The quinolinate synthetase complex consists of A protein (this protein) and B protein. B protein converts L-aspartate to iminoaspartate, an unstable reaction product which in the absence of A protein is spontaneously hydrolyzed to form oxaloacetate. The A protein, NadA, converts iminoaspartate to quinolate. [Biosynthesis of cofactors, prosthetic groups, and carriers, Pyridine nucleotides] |
Jiyao W et al.(2023). "The conserved domain database in 2023.",