Reaction catalyzed by 2,1-fructan:2,1-fructan 1-fructosyltransferase (2.4.1.100)

		+			+			=		mixture of tetrasacharides of beta-2,6- and beta-2,1-linked fructans
	6-kestose	+		1-kestose	+		sucrose	=		mixture of tetrasacharides of beta-2,6- and beta-2,1-linked fructans