Tubulysin B is an agent of potent microtubule destabilizing and highly cytotoxic peptide isolated from the myxobacteria Archangium geophyra and Angiococcus disciformis.

Tubulysin B against KB and A549 tumors cell lines with IC50s of 0.6 and 0.9 nM , respectively.

205304-87-6

C42H63N5O10S

830.04

Tubulysin B

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years