The Enzyme Database

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Accepted name: nitrobenzene nitroreductase
Reaction: N-phenylhydroxylamine + 2 NADP+ + H2O = nitrobenzene + 2 NADPH + 2 H+ (overall reaction)
(1a) N-phenylhydroxylamine + NADP+ = nitrosobenzene + NADPH + H+
(1b) nitrosobenzene + NADP+ + H2O = nitrobenzene + NADPH + H+
Other name(s): cnbA (gene name)
Systematic name: N-phenylhydroxylamine:NADP+ oxidoreductase
Comments: Contains FMN. The enzyme, characterized from Pseudomonas species, catalyses two successive reductions of nitrobenzene, via a nitrosobenzene intermediate. It is also active on 1-chloro-4-nitrobenzene.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Somerville, C.C., Nishino, S.F. and Spain, J.C. Purification and characterization of nitrobenzene nitroreductase from Pseudomonas pseudoalcaligenes JS45. J. Bacteriol. 177 (1995) 3837–3842. [DOI] [PMID: 7601851]
2.  Wu, J.F., Jiang, C.Y., Wang, B.J., Ma, Y.F., Liu, Z.P. and Liu, S.J. Novel partial reductive pathway for 4-chloronitrobenzene and nitrobenzene degradation in Comamonas sp. strain CNB-1. Appl. Environ. Microbiol. 72 (2006) 1759–1765. [DOI] [PMID: 16517619]
[EC created 2017]

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