The present disclosure provides a site-specific protein conjugate and the method for preparation of the same. The protein conjugate comprising a protein and an oligosaccharide, wherein said oligosaccharide comprises (I) wherein: said GlcNAc is directly or indirectly linked to an amino acid of said protein; said Gal is a galactose; said (Fuc) is a fucose, b is 0 or 1; said Fuc* comprises a fucose or a fucose derivative linked to a molecule of interest (MOI), said protein comprises an antigen binding fragment and/or a Fc fragment.
本公开提供了一种特定于位点的蛋白质共轭物及其制备方法。所述蛋白质共轭物包括蛋白质和
寡糖,其中所述
寡糖包括(I),其中:所述GlcNAc直接或间接连接到所述蛋白质的
氨基酸上;所述Gal是半
乳糖;所述(Fuc)是岩藻糖,b为0或1;所述Fuc*包括与感兴趣分子(
MOI)连接的岩藻糖或岩藻糖衍
生物,所述蛋白质包括抗原结合片段和/或Fc片段。