A conjugate comprising a protein or peptide conjugated to a therapeutic, diagnostic or labelling agent via a linker, characterised in that the linker includes at least two ~(CH2-CH2- 0-)~ units within a ring, said ring being attached via a single tethering atom within the ring to the rest of the linker, or said ring being attached via two or more tethering atoms within the ring to the rest of the linker at a single point.
一种由蛋白质或肽共轭到治疗、诊断或标记试剂的共轭物,其特征在于该连接剂包含至少两个 ~(
CH2- - 0-)~ 单元构成的环,所述环通过环内的单个锚定原子连接到连接剂的其余部分,或者所述环通过环内的两个或更多锚定原子连接到连接剂的其余部分的单一点。