2.4.1.100 - 488346, 488348, 488349, 488350, 488351, 488352, 488353, 488357, 488358, 660021, 675149 2.4.1.100 ammonium sulfate precipitation, several attempts (concanavalin A, Mono Q, Mono S) to further purify 6G-FFT/1-FFT are unsuccessful, probably due to the instability of the enzyme and/or the rather low concentration in the yeast’s expression medium 706297 2.4.1.100 Fast Desalting column chromatography 704883