The Enzyme Database

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Accepted name: phosphogluconate dehydrogenase [NAD(P)+-dependent, decarboxylating]
Reaction: 6-phospho-D-gluconate + NAD(P)+ = D-ribulose 5-phosphate + CO2 + NAD(P)H + H+
For diagram of the early stages of the pentose-phosphate pathway, click here
Systematic name: 6-phospho-D-gluconate:NAD(P)+ 2-oxidoreductase (decarboxylating)
Comments: The enzyme participates in the oxidative branch of the pentose phosphate pathway, whose main purpose is to produce reducing power and pentose for biosynthetic reactions. Unlike EC, phosphogluconate dehydrogenase (NADP+-dependent, decarboxylating), it is not specific for NADP+ and can accept both cofactors with similar efficiency. cf. EC, phosphogluconate dehydrogenase [NAD+-dependent, decarboxylating].
Links to other databases: BRENDA, EXPASY, GTD, KEGG, MetaCyc, PDB, CAS registry number: 9073-95-4
1.  Ben-Bassat, A. and Goldberg, I. Purification and properties of glucose-6-phosphate dehydrogenase (NADP+/NAD+) and 6-phosphogluconate dehydrogenase (NADP+/NAD+) from methanol-grown Pseudomonas C. Biochim. Biophys. Acta 611 (1980) 1–10. [DOI] [PMID: 7350909]
2.  Stournaras, C., Maurer, P. and Kurz, G. 6-phospho-D-gluconate dehydrogenase from Pseudomonas fluorescens. Properties and subunit structure. Eur. J. Biochem. 130 (1983) 391–396. [DOI] [PMID: 6402366]
3.  Levy, H.R., Vought, V.E., Yin, X. and Adams, M.J. Identification of an arginine residue in the dual coenzyme-specific glucose-6-phosphate dehydrogenase from Leuconostoc mesenteroides that plays a key role in binding NADP+ but not NAD+. Arch. Biochem. Biophys. 326 (1996) 145–151. [DOI] [PMID: 8579362]
[EC created 2013]

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