Reaction catalyzed by arginyltransferase (2.3.2.8)

		+		L-Arg-[beta-galactosidase]	=			+		L-Arg-L-Arg-[beta-galactosidase]
	L-arginyl-tRNAArg	+		L-Arg-[beta-galactosidase]	=		tRNAArg	+		L-Arg-L-Arg-[beta-galactosidase]