Succinimide formation at Asn 55 in the complementarity determining region of a recombinant monoclonal antibody IgG1 heavy chain.


We investigated the formation and stability of succinimide, an intermediate of deamidation events, in recombinant monoclonal antibodies (mAbs). During the course of an analytical development study of an IgG1 mAbs, we observed that a specific antibody population could be separated from the main product by cation-exchange (CEX) chromatography. The cell-based… (More)
DOI: 10.1002/jps.21655


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