Reaction catalyzed by aminopeptidase B (3.4.11.6)

		+		H2O	=			+
	L-Arg-L-Tyr-Gly-Gly-L-Phe-L-Leu	+		H2O	=		L-Arg	+		L-Tyr-Gly-Gly-L-Phe-L-Leu