The Enzyme Database

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EC 1.7.1.6     
Accepted name: azobenzene reductase
Reaction: N,N-dimethyl-1,4-phenylenediamine + aniline + 2 NADP+ = 4-(dimethylamino)azobenzene + 2 NADPH + 2 H+
Glossary: 4-(dimethylamino)azobenzene = Methyl Yellow
Other name(s): new coccine (NC)-reductase; NC-reductase; azo-dye reductase; orange II azoreductase; NAD(P)H:1-(4′-sulfophenylazo)-2-naphthol oxidoreductase; orange I azoreductase; azo reductase; azoreductase; nicotinamide adenine dinucleotide (phosphate) azoreductase; NADPH2-dependent azoreductase; dimethylaminobenzene reductase; p-dimethylaminoazobenzene azoreductase; dibromopropylaminophenylazobenzoic azoreductase; N,N-dimethyl-4-phenylazoaniline azoreductase; p-aminoazobenzene reductase; methyl red azoreductase; NADPH2:4-(dimethylamino)azobenzene oxidoreductase
Systematic name: N,N-dimethyl-1,4-phenylenediamine, aniline:NADP+ oxidoreductase
Comments: The reaction occurs in the reverse direction to that shown above. Other azo dyes, such as Methyl Red, Rocceline, Solar Orange and Sumifix Black B can also be reduced [2].
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, UM-BBD, CAS registry number: 9029-31-6
References:
1.  Mueller, G.C. and Miller, J.A. The reductive cleavage of 4-dimethylaminoazobenzene by rat liver: the intracellular distribution of the enzyme system and its requirements for triphosphopyridine nucleotide. J. Biol. Chem. 180 (1949) 1125–1136. [PMID: 18139207]
2.  Suzuki, Y., Yoda, T., Ruhul, A. and Sugiura, W. Molecular cloning and characterization of the gene coding for azoreductase from Bacillus sp. OY1-2 isolated from soil. J. Biol. Chem. 276 (2001) 9059–9065. [DOI] [PMID: 11134015]
[EC 1.7.1.6 created 1961 as EC 1.6.6.7, transferred 2002 to EC 1.7.1.6]
 
 


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