OSu-PEG4-VC-PAB-MMAE involves in GDP-FAmP4MMAE (Monomethylauristatin E) synthesis, which is for GDP label via site-specific conjugation[1].
[1]. Yang, et al. Preparation of site-specific antibody conjugates: World Intellectual Property Organization, WO2022037665[P]. 2022-02-24.
















