Reaction catalyzed by D-arginine dehydrogenase (1.4.99.6)
+
NH3
+
NADPH
+
=
+
H2O
+
NADP+
2-oxo-3-methylbutyric acid
+
NH3
+
NADPH
+
H+
=
D-valine
+
H2O
+
NADP+
