Reaction catalyzed by 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 2-D-glucosyltransferase (2.4.1.202)

		+			=			+
	UDP-alpha-D-glucose	+		2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one	=		UDP	+		(2R)-4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside