1.7.1.B3 evolution analysis of evolutionary or molecular mechanism of divergence of the nitroreductase/flavin reductase family, overview. The enzyme is similar to NfsA from Escherichia coli, overview -, 742109 1.7.1.B3 evolution nitroreductases are a family of flavoproteins that catalyze the NAD(P)H-dependent reduction of nitro groups to hydroxylamino and/or amino groups on various nitro-substituted compounds 743709 1.7.1.B3 additional information comparisons of the quantitative structure-activity relationships of single-electron reduction of quinones and nitroaromatic compounds by dehydrogenase (electron transferase) flavoenzymes, overview 741786 1.7.1.B3 additional information the enzyme crystal structure of NfsA, PDB ID 1F5V, is used for molecular ligand docking studies 743709 1.7.1.B3 physiological function enzyme is a flavoprotein with NADPH-dependent quinone reductase and nitroreductase activities -, 765499 1.7.1.B3 physiological function NfsA has potential applications in the biodegradation of nitroaromatic environment pollutants, e.g. explosives, and is also of interest for the anticancer strategy gene-directed enzyme prodrug therapy 741786 1.7.1.B3 physiological function residue Phe42 is critical for the catalytic activity of Escherichia coli major nitroreductase NfsA, Phe42 is important for maintaining NfsA activity and structure 742167