Reaction catalyzed by dextrin dextranase (2.4.1.2)

		+			=			+
	[(1->4)-alpha-D-glucosyl]n	+		[(1->6)-alpha-D-glucosyl]m	=		[(1->4)-alpha-D-glucosyl]n-1	+		[(1->6)-alpha-D-glucosyl]m+1