Reaction catalyzed by dihydrolipoyllysine-residue (2-methylpropanoyl)transferase (2.3.1.168)

		+			=		CoA	+
	2-methylpropanoyl-CoA	+		enzyme N6-(dihydrolipoyl)lysine	=		CoA	+		enzyme N6-(S-[2-methylpropanoyl]dihydrolipoyl)lysine