levan fructotransferase (DFA-IV-forming) activity
levan fructotransferase (dfa-iv-forming) activity
2,6-beta-D-fructan D-fructosyl-D-fructosyltransferase (forming di-beta-D-fructofuranose 2,6':2',6-dianhydride) activity
2,6-beta-d-fructan d-fructosyl-d-fructosyltransferase (forming di-beta-d-fructofuranose 2,6':2',6-dianhydride) activity