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Ansamitocin P-3 is a microtubule inhibitor, it is also a macrocyclic antitumor antibiotic. Ansamitocin P3 inhibits the proliferation of MCF-7, HeLa, EMT-6/AR1 and MDA-MB-231 cells in culture. Further, Ansamitocin P3 binds to purified tubulin in vitro with a dissociation constant Kd value of 1.3±0.7 µM.
| Molecular Weight | 635.14 |
| Formula | C32H43ClN2O9 |
| CAS Number | 66584-72-3 |
| Solubility (25°C) | 50 mM in DMSO |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related Microtubule Products |
|---|
| ABT-751
ABT-751 is an orally bioavailable tubulin inhibitor with IC50 of about 1.5 and 3.4 µM in neuroblastoma and non-neuroblastoma cell lines, respectively. |
| Fosbretabulin disodium
Fosbretabulin disodium (Combretastatin A-4 phosphate) is a microtubule-targeting agent that binds β-tubulin with Kd of 0.4 μM. |
| Noscapine hydrochloride
Noscapine, a phthalideisoquinoline alkaloid constituting 1–10% of the alkaloid content of opium, has been used as a cough suppressant. |
| Triclabendazole
Triclabendazole is a benzimidazole, it binds to tubulin impairing intracellular transport mechanisms and interferes with protein synthesis. Triclabendazole induces gasdermin E (GSDME)-dependent pyroptosis by caspase-3 activation. |
| CYT997
CYT997 is a potent microtubule polymerization inhibitor with IC50 of 10-100 nM in cancer cell lines. |
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