Reaction catalyzed by HIV-1 retropepsin (3.4.23.16)

		+		H2O	=			+
	His-Lys-Ala-Arg-Val-Leu-(4-nitro)Phe-Glu-Ala-Nle-Ser-amide	+		H2O	=		His-Lys-Ala-Arg-Val-Leu	+		(4-nitro)Phe-Glu-Ala-Nle-Ser-amide