most of the carbohydrate was removed from influenza virus mrc ii ( h3n2 ) and its purified hemagglutinin ( ha ) on treatment with glycosidases , including alpha-mannosidase , beta-n-acetylglucosaminidase , beta-galactosidase and alpha-fucosidase .
C0017976
glycosidases
C0016787
alpha-fucosidase