abstract |
Methods for galactosylating IgG antibodies, e.g., using immobilized β1,4-galactosyltransferase I (β4GalT1) to prepare hypersialylated IgG (hsIgG), as well as binding to solid supports Disclosed herein are polypeptides comprising β1,4-galactosyltransferase I (β4GalT1) and compositions comprising the same. |