Reaction catalyzed by protein acetyllysine N-acetyltransferase (2.3.1.286)

	[protein]-N6-[1,1-(5-adenosylyl-alpha-D-ribose-1,2-di-O-yl)ethyl]-L-lysine	+		H2O	=			+
	[protein]-N6-[1,1-(5-adenosylyl-alpha-D-ribose-1,2-di-O-yl)ethyl]-L-lysine	+		H2O	=		[protein]-L-lysine	+		2''-O-acetyl-ADP-D-ribose