Bafilomycin B1 is a specific inhibitor of vacuolar type H+-ATPase (V-ATPase) in animal cells, plant cells and microorganisms.
Bafilomycin B1 can prevent the re-acidification of synaptic vesicles once they have undergone exocytosis.
It displays Antibacterial, Antifungal, Antineoplastic, Immunosuppressive properties.
Bafilomycin B1 shares the same mode of action and activity as its more accessible Bafilomycin A1 analogue. Bafilomycin B1 is broadly active against bacteria, fungi, insects, nematodes and protozoans. Bafilomycin B1 has attracted interest as a potential antiosteoporotic agent in treating bone lytic diseases.
Bafilomycins have been considered as possible therapeutic agents in the treatment of gastritis.