Reaction catalyzed by granzyme M (3.4.21.B2)

		+		H2O	=		N2-Cbz-L-Asp(O-tBut)-L-Pro-L-Met	+
	N2-Cbz-L-Asp(O-tBut)-L-Pro-L-Met thiobenzyl ester	+		H2O	=		N2-Cbz-L-Asp(O-tBut)-L-Pro-L-Met	+		phenylmethanethiol