Reaction catalyzed by leucyl aminopeptidase (3.4.11.1), tripeptide aminopeptidase (3.4.11.4), Clostridial aminopeptidase (3.4.11.13), tryptophanyl aminopeptidase (3.4.11.17), aminopeptidase S (3.4.11.24)

		+		H2O	=			+
	Leu-Gly-Gly	+		H2O	=		Leu	+		Gly-Gly