Bafilomycin A1 is a bacterial metabolite that has been found in Streptomyces and has diverse biological activities. It is an inhibitor of vacuolar H+-ATPases (V-ATPases, Ki = 0.5 nM in N. crassa vacuolar membranes) and is greater than 1,000-fold selective for V-ATPases over Na+/K+-, Ca2+-, and H+-ATPases....

A macrolide isolated from Streptomyces sp. that has been shown to decrease multi-drug resistance. It also exhibits apoptosis and antibiotic properties.

Bafilomycin A1, a macrolide antibiotic, is a highly potent, selective inhibitor of vacuolar H+-ATPases. Bafilomycin A1 is a potent inhibitor of cellular autophagy either by blocking autophagosome-lysosome fusion or by blocking lysosomal degradation. Bafilomycin A1 has several other biological properties. It induces...