3.1.2.22 25000 - x * 25000, SDS-PAGE (52000 for GST-fusion protein) 3.1.2.22 31000 - x * 31000, processed enzyme, SDS-PAGE, x * 101000, unprocessed enzyme, SDS-PAGE 3.1.2.22 37000 - gel filtration 3.1.2.22 37000 - x * 37000, SDS-PAGE 3.1.2.22 101000 - x * 31000, processed enzyme, SDS-PAGE, x * 101000, unprocessed enzyme, SDS-PAGE