Shelf life (days): 1460.0
Formulation: A crystalline solid
Formal Name: (3Z,5E,7R,8S,9S,11E,13E,15S,16R)-8-hydroxy-16-[(1S,2R,3S)-2-hydroxy-1-methyl-3-[(2R,4R,5S,6R)-tetrahydro-2,4-dihydroxy-5-methyl-6-(1-methylethyl)-2H-pyran-2-yl]butyl]-3,15-dimethoxy-5,7,9,11-tetramethyl-oxacyclohexadeca-3,5,11,13-tetraen-2-one
Purity: ≥95%
Formula Markup: C35H58O9
Formula Weight: 622.8
CAS Number: 88899-55-2
Notes: Bafilomycin A1 is a bacterial metabolite that has been found in Streptomyces and has diverse biological activities.{20718,20721,20720,60647,60648} 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.{20718,60647} Bafilomycin A1 (100 nM) inhibits autophagosome maturation and protein degradation in H-4-II-E cells.{20721} It inhibits chloroquine-induced apoptosis in primary cerebellar granule neurons (CGNs) but not chloroquine-induced inhibition of macroautophagy.{20720} Bafilomycin A1 (100 nM) reduces viral yield in the culture supernatant of Vero E6 and Huh7 cells, as well as HEK293T cells expressing human angiotensin-converting enzyme 2 (ACE2), infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).{60648} It also reduces lung RNA copy numbers and viral pneumonia in ACE2 transgenic mice infected with SARS-CoV-2 when administered at a dose of 0.1 mg/kg.
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