Bafilomycin B1

A fungal metabolite with diverse biological activities

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100ug

￥650.00

520.00

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1mg

￥2275.00

1820.00

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5mg

￥7987.00

6390.00

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Background

The bafilomycins are fungal plecomacrolide antibiotics with a 16-membered lactone ring. They inhibit the growth of Gram-positive bacteria and fungi. Bafilomycin B1 is a selective, reversible inhibitor of vacuolar H+-ATPases (V-ATPases), blocking these proton pumps in mammalian, plant, or fungal cells with an IC50 value in the 4-400 nM range. It is at least 1,000-fold less potent at most other types of ATPases. When used at 100 nM, the related macrolide bafilomycin A1 blocks V-ATPase-mediated acidification of lysosomes during autophagy, preventing protein degradation. Remarkably, at only 1 nM, both bafilomycin A1 or B1 dramatically attenuate chloroquine-induced apoptosis of neurons without altering autophagy.