Reaction catalyzed by arginyltransferase (2.3.2.8)

		+		L-Asp-beta-galactosidase	=			+		L-arginyl-L-Asp-beta-galactosidase
	L-arginyl-tRNA	+		L-Asp-beta-galactosidase	=		tRNA	+		L-arginyl-L-Asp-beta-galactosidase