Venturicidin A, an antibiotic and antifungal compound, has been noted to be a potential inhibitor of E. coli H+-ATPase. Experiments suggest that this compound strongly inhibits ATP-driven proton transport and ATP hydrolysis. More detailed studies show that Venturicidin A acts on the membrane sector F0. Purified bovine F0 has been reported to cause voltage sensitive K+ channels. Venturicidin A demonstrates the ability to drastically decrease the open probability of the channel. Venturicidin A is an inhibitor of ATP5.
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