Reaction catalyzed by trypsin (3.4.21.4)
+
=
+
Nalpha-Boc-L-Leu-(p-amidino)phenyl ester
+
L-Ala-4-nitroanilide
=
Nalpha-Boc-L-Leu-L-Ala-4-nitroanilide
+
4-hydroxybenzimidamide