Reaction catalyzed by Kexin (3.4.21.61)
+
H2O
=
+
benzyloxycarbonyl-Ala-Tyr-Lys-Lys 4-methylcoumarin 7-amide
+
H2O
=
7-amino-4-methylcoumarin
+
benzyloxycarbonyl-Ala-Tyr-Lys-Lys