Reaction catalyzed by nitrite reductase (NO-forming) (1.7.2.1)
+
H2O
+
ferricytochrome c552
=
+
ferrocytochrome c552
+
2
nitric oxide
+
H2O
+
ferricytochrome c552
=
nitrite
+
ferrocytochrome c552
+
2 H+
