Reaction catalyzed by granzyme M (3.4.21.B2)
+
H2O
=
N-benzyloxycarbonyl-alanyl-seryl-methionine
+
N-benzyloxycarbonyl-alanyl-seryl-methionine-thiobenzylester
+
H2O
=
N-benzyloxycarbonyl-alanyl-seryl-methionine
+
phenylmethanethiol