2 Fe(II)-[cytochrome] + nitrate + 2 H(+) = 2 Fe(III)-[cytochrome] + nitrite + H2O
2 fe(ii)-[cytochrome] + nitrate + 2 h(+) = 2 fe(iii)-[cytochrome] + nitrite + h2o
"nitrate reductase (cytochrome)"
"nitrate reductase (cytochrome)"