Abstract:Direct chemical modification of native antibodies in a site-specific manner remains a great challenge. Ligand-directed conjugation can achieve the selective modification of antibodies, but usually requires multiple extra steps for ligand release and cargo assembly. Herein, we report a novel, traceless strategy to enable the facile and efficient one-step synthesis of site-specific antibody-drug conjugates (ADCs) by harnessing a thioester-based acyl transfer reagent. The designed reagent, consisting of an optimi… Show more
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