| abstract |
(57) [Summary]nThe present invention relates to conjugates comprising a target ligand, such as an antibody, a therapeutically active drug and a branched peptide linker, and provides the branched peptide linker. The branched peptide linker of the invention contains two or more amino acid components that provide an enzyme cleavage site. The number of drugs that can be attached to the branching linker varies by a factor of two for each generation of branching. |