Reaction catalyzed by FMN-dependent NADH-azoreductase (1.7.1.17)
+
2
NADH
+
2
=
+
+
2
NAD+
orange I
+
2 NADH
+
2 H+
=
4-aminobenzene-1-sulfonic acid
+
4-aminonaphthalen-1-ol
+
2 NAD+
