Home  >  Products  >  Leptomycin B, Free Acid (Elactocin, Antibiotic ATS 1287B, Antibiotic CI 940, Antibiotic CL 1957A, Antibiotic PD 114720, Mantuamycin)

Leptomycin B, Free Acid (Elactocin, Antibiotic ATS 1287B, Antibiotic CI 940, Antibiotic CL 1957A, Antibiotic PD 114720, Mantuamycin)

Cat no: L1671-38B


Supplier: United States Biological
Star_fadedStar_fadedStar_fadedStar_fadedStar_faded
0 reviews | Write a Review Pencil
Leptomycin B (LepB) is a potent, specific inhibitor of nuclear export signal (NES)-dependent protein export from the nucleus. Solubility: Soluble in ethanol. Storage and Stability: May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Catalogue number: L1671-38B
Size: 100ug
Form: Supplied as a clear, colorless solution in absolute ethanol.
Purity: ~99%
References: 1. Fukuda. M., et al. "CRM1 is responsible for intracellular transport mediated by the nuclear export signal." Nature 390:308-311 (1997). 2. Kudo, N., et al. "Leptomycin B inactivates CRM1/exportin 1 by covalent modification at a cysteine residue in the central conserved region." Proc. Natl. Acad. Sci. USA 96:9112-9117 (1999). 3. Wolff, B., et al. "Leptomycin B is an inhibitor of nuclear export: inhibition of nucleo-cytoplasmic translocation of the human immunodeficiency virus type 1 (HIV-1) Rev protein and Rev-dependent mRNA." Chem Biol. 4:139-147 (1997). 4. Tunac, J.B., et al. "Novel antitumor antibiotics, CI-940 (PD 114,720) and PD 114,721. Taxonomy, fermentation and biological activity." J. Antibiot. 38:460-465 (1985).

Get Quote

  • Best Price Guaranteed
  • Quick Response Time
  • Exclusive Promotions
Enquiry_down_arrow
United States Biological
Get a Quote Direct from
United States Biological

By submitting this form you agree to your details being passed to United States Biological for the purpose of generating the best quote*

Button_on Button_off_biosave Button_off_biosave Button_off_biosave Button_off_biosave Button_off_biosave Button_off_biosave