3-oxopropanoate + nitrite + AH2 + H(+) => 3-nitropropanoate + A + H2O
3-oxopropanoate + nitrite + ah2 + h(+) => 3-nitropropanoate + a + h2o
3-oxopropanoate + nitrite + AH2 + H(+) => 3-nitropropanoate + A + H2O
3-oxopropanoate + nitrite + ah2 + h(+) => 3-nitropropanoate + a + h2o