Reaction catalyzed by D-arginine dehydrogenase (1.4.99.6)
+
H2O
+
=
+
NH3
+
D-arginine
+
H2O
+
iodonitrotetrazolium chloride
=
5-guanidino-2-oxopentanoate
+
NH3
+
reduced iodonitrotetrazolium chloride
