Epothilone A

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** An extract from the myxobacteria Sorangium cellulosum that promotes tubulin polymerization and microtubule stabilization, thereby inhibiting mitosis. Epothilone A appears to be less potent than Epothilone B. (NCI)

**Synonyms:** - EPOTHILONE A