Leptomycin B

Catalog No.: A20985
nuclear export receptor CRM1 inhibitor
Leptomycin B (CI 940; LMB) is a potent inhibitor of the nuclear export of proteins. Leptomycin B inactivates CRM1/exportin 1 by covalent modification at a cysteine residue. Leptomycin B is a potent antifungal antibiotic blocking the eukaryotic cell cycle.
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Product Name Price Stock Qty
Leptomycin B 1mg
$220.00
In stock
Leptomycin B 5mg
$880.00
In stock
Leptomycin B 10mg
$1,380.00
In stock
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Biological Activity
Discription Leptomycin B (CI 940; LMB) is a potent inhibitor of the nuclear export of proteins. Leptomycin B inactivates CRM1/exportin 1 by covalent modification at a cysteine residue. Leptomycin B is a potent antifungal antibiotic blocking the eukaryotic cell cycle.
Product Information
Catalog Num A20985
Formula C33H48O6
Molecular Weight 540.73
CAS Number 87081-35-4
SMILES O=C(O)/C=C(C)/C[C@H](C)[C@@H](O)[C@H](C)C([C@H](C)/C=C(C)/C=C/C[C@@H](C)/C=C(CC)\C=C\[C@H]1[C@@H](C)C=CC(O1)=O)=O
Synonyms CI 940, CI940, CI-940; LMB
Storage

Store lyophilized at -20ºC, keep desiccated.
In lyophilized form, the chemical is stable for 36 months.
In solution, store at -20ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

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