Kazusamycin B (Synonyms: CL 1957E, Hydroxyleptomycin A, PD 124895) |
| Catalog No.GC43995 |
Kazusamycin B is a bacterial metabolite originally isolated from Streptomyces.
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Cas No.: 107140-30-7
Sample solution is provided at 25 µL, 10mM.
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Kazusamycin B is a bacterial metabolite originally isolated from Streptomyces. It has antifungal activity against S. pombe and R. javanicus (MICs = 0.05 and 2.13 µg/ml, respectively) but is inactive against Gram-positive and Gram-negative bacteria (MICs = >100 µg/ml). Kazusamycin B (5 ng/ml) halts the cell cycle at the G1 phase and induces nuclear condensation in L1210 cells, as well as inhibits nuclear-to-cytosolic transport of the HIV-1 regulatory protein Rev in HeLa cells expressing Rev (IC50 = 6.3 nM). It is cytotoxic to L1210 and HCT-8 cells with IC50 values of 1.8 and 1.6 ng/ml, respectively, and reduces tumor growth in a variety of murine tumor and mouse xenograft models.
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