2.4.1.90 20 - - 660309 2.4.1.90 30 - assay at 658032, 660308, 672454, 675468 2.4.1.90 30 - reaction with N-acetylglucosamine and UDPgalactose, reaction with alpha1-acid glycoprotein and UDPgalactose 489529 2.4.1.90 37 - - 489533, 756911 2.4.1.90 37 - activity at 37°C is faster than at 31°C or at 27°C 489522 2.4.1.90 37 - assay at 658123, 659804, 672411, 719274 2.4.1.90 42 - - 489508