Reaction catalyzed by uracil-DNA glycosylase (3.2.2.27)

	hydroxymethyluracil-containing single-stranded DNA	+		H2O	=			+		single-stranded DNA with abasic site
	hydroxymethyluracil-containing single-stranded DNA	+		H2O	=		5-hydroxymethyluracil	+		single-stranded DNA with abasic site