Reaction catalyzed by L-amino acid dehydrogenase (cytochrome b) (1.4.99.B3)
+
H2O
+
2
cytochrome b
=
+
NH3
+
2
reduced cytochrome b
L-histidine
+
H2O
+
2 cytochrome b
=
2-oxo-4-imidazolepropionic acid
+
NH3
+
2 reduced cytochrome b