Tubulysin B is an agent of potent microtubule destabilizing and highly cytotoxic peptide isolated from the myxobacteria Archangium geophyra and Angiococcus disciformis.
L-lysine lactam is a building block.1,2It has been used in the synthesis of lysine sulfonamide HIV protease inhibitors, as well as bengamide derivatives within vitroanticancer activity.