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Leptomycin B

CAT: 0804-HY-16909-01Size: 1 mgDry Ice: NoHazardous: No
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CAT#:0804-HY-16909-01Size:1 mg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
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[1].
CAS Number
87081-35-4
Product Name Alternative
CI 940; LMB
UNSPSC
12352005
Hazard Statement
H302, H312, H332
Target
Antibiotic; CRM1; Fungal
Type
Reference compound
Related Pathways
Anti-infection; Membrane Transporter/Ion Channel
Applications
Cancer-programmed cell death
Field of Research
Cancer; Infection
Assay Protocol
https://www.medchemexpress.com/Leptomycin_B.html
Purity
99.94
Solubility
DMSO : 100 mg/mL (ultrasonic)
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
Molecular Formula
C33H48O6
Molecular Weight
540.73
Precautions
H302, H312, H332
References & Citations
[1]N Kudo, et al. Leptomycin B inactivates CRM1/exportin 1 by covalent modification at a cysteine residue in the central conserved region. Proc Natl Acad Sci U S A. 1999 Aug 3;96 (16) :9112-7.|[2]Sarah C Mutka, et al. Identification of nuclear export inhibitors with potent anticancer activity in vivo. Cancer Res. 2009 Jan 15;69 (2) :510-7.|[3]Zhongwei Liu, et al.Leptomycin B reduces primary and acquired resistance of gefitinib in lung cancer cells. Toxicol Appl Pharmacol. 2017 Nov 15;335:16-27.|[4]Sarah C Mutka, et al. Identification of nuclear export inhibitors with potent anticancer activity in vivo. Cancer Res. 2009 Jan 15;69 (2) :510-7.
Shipping Conditions
Blue Ice
Storage Conditions
-20°C (Powder, stored under nitrogen)
Scientific Category
Reference compound1
Clinical Information
No Development Reported

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