Reaction catalyzed by membrane alanyl aminopeptidase (3.4.11.2)
+
H2O
=
+
8-N-(beta-alanyl)amino-2-butyl-3H-phenoxazin-3-one
+
H2O
=
beta-alanine
+
8-amino-2-butyl-3H-phenoxazin-3-one