EC 1.3.1.16     
Accepted name: β-nitroacrylate reductase
Reaction: 3-nitropropanoate + NADP+ = 3-nitroacrylate + NADPH + H+
Systematic name: 3-nitropropanoate:NADP+ oxidoreductase
References:
1.  Shaw, P.D. Biosynthesis of nitro compounds. III. The enzymatic reduction of β-nitroacrylic acid to β-nitropropionic acid. Biochemistry 6 (1967) 2253–2260.
[EC 1.3.1.16 created 1972]