The invention relates to glycoengineered antibodies and antibody-conjugates. In particular, the invention relates to an antibody conjugate, prepared from an IgG antibody comprising one N-linked glycosylation site on the combination of a single heavy chain and single light chain, wherein the N-linked glycosylation site is a mutant N-linked glycosylation site as compared to its wild type counterpart. The invention further relates to methods for the preparation of the antibody-conjugates according to the invention.
