Reaction catalyzed by glutamyl endopeptidase (3.4.21.19)

		+		LAFARAEAF-hydroxyglycine	=			+
	benzyloxycarbonyl-S-CH2-COOH	+		LAFARAEAF-hydroxyglycine	=		benzyloxycarbonyl-LAFARAEAF-hydroxyglycine	+		HS-CH2-COOH