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Leptomycin B

Chemical Structure : Leptomycin B

CAS No.: 87081-35-4

Leptomycin B (CI 940;Elactocin;Mantuamycin)

Catalog No.: PC-70229Not For Human Use, Lab Use Only.

A potent and specific nuclear export inhibitor that binds to and inhibits CRM1 (XPO1).

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Purity & Documentation Purity: >98% (HPLC)

Biological Activity

A potent and specific nuclear export inhibitor that binds to and inhibits CRM1 (XPO1); blocks the cell cycle and shows potent anti-tumor activity, blocks the nuclear export of many proteins including HIV-1 Rev, MAPK/ERK, and NF-κB/IκB, and inhibits the inactivation of p53.

Physicochemical Properties

M.Wt 504.74
Formula C33H48O6
Appearance Solid
CAS No.
Storage
Solide Powder
-20 °C 12 Months; 4°C 6 Months
In Solvent
-80 °C 6 Months; -20°C 6 Months
Shipping
Solubility

10 mM in DMSO

Chemical Name/SMILES

(2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-19-((2S,3S)-3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-8-oxononadeca-2,10,12,16,18-pentaenoic acid

References

1. Fornerod M, et al. Cell. 1997 Sep 19;90(6):1051-60.

2. Kudo N, et al. Exp Cell Res. 1998 Aug 1;242(2):540-7.

3. Ossareh-Nazari B, et al. Science. 1997 Oct 3;278(5335):141-4.

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