Reaction catalyzed by 8-demethyltetracenomycin C L-rhamnosyltransferase (2.4.1.331)

	NDP-L-digitoxose	+			=			+
	NDP-L-digitoxose	+		8-demethyltetracenomycin C	=		NDP	+		8-demethyl-8-alpha-L-digitoxosyltetracenomycin C