S-Me-DM4 is a metabolite of DM4 S-methylated by intracellular enzyme. DM4 is a microtubule-depolymerizing maytansinoid with strong cytotoxicity. DM4 can be used as an ADC Cytotoxin molecule.
References:
[1]. Widdison W, et al. Metabolites of antibody-maytansinoid conjugates: characteristics and in vitro potencies. Mol Pharm. 2015 Jun 1;12(6):1762-73.
















