IUBMB Enzyme Nomenclature


Accepted name: D-nopaline dehydrogenase

Reaction: N2-(D-1,3-dicarboxypropyl)-L-arginine + NADP+ + H2O = L-arginine + 2-oxoglutarate + NADPH + H+

Other name(s): D-nopaline synthase; nopaline dehydrogenase; nopaline synthase; NOS

Systematic name: N2-(D-1,3-dicarboxypropyl)-L-arginine:NADP+ oxidoreductase (L-arginine-forming)

Comments: In the reverse direction, forms D-nopaline from L-arginine and D-ornaline from L-ornithine.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 64763-57-1


1. Kemp, J.D., Sutton, D.W. and Hack, E. Purification and characterization of the crown gall specific enzyme nopaline synthase. Biochemistry 18 (1979) 3755-3760. [PMID: 476084]

[EC created 1984]

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