Reaction catalyzed by alanine dehydrogenase (1.4.1.1), glutamate dehydrogenase (1.4.1.2), leucine dehydrogenase (1.4.1.9), valine dehydrogenase (NAD+) (1.4.1.23)
+
H2O
+
NAD+
=
+
NH3
+
NADH
+
L-2-aminobutanoate
+
H2O
+
NAD+
=
2-oxobutanoate
+
NH3
+
NADH
+
H+
