Leptomycin A is an antifungal antibiotic that acts as an inhibitor of nuclear export by interacting with CRM1/exportin-1. Inhibits nucleo-cytoplasmic translocation of molecules such as the HIV-1 Rev protein and Rev-dependent export of mRNA.
Leptomycins A and B, new antifungal antibiotics. I. Taxonomy of the producing strain and their fermentation, purification and characterization: T. Hamamoto, et al.; J Antibiot (Tokyo) 36, 639 (1983)
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