Destruxin B, a specific and readily reversible inhibitor of vacuolar-type H(+)-translocating ATPase.

Abstract:

:Destruxin B, a peptide antibiotic, inhibits vacuolar-type ATPase (V-ATPase) specifically and dose-dependently among ATPases examined. Acidification of intracellular organelles is also blocked by destruxin B at comparable concentrations when assessed by accumulation of acridine orange. The inhibitory activity of destruxin B is weaker than that of bafilomycin A1 and folimycin, well known macrolide inhibitors of V-ATPase, when compared at the same molar concentration. Unlike the macrolide antibiotics, however, the inhibitory activity of destruxin B is readily reversible. This novel feature of destruxin B should make it a useful probe in the analysis of V-ATPase function in cell physiology.

authors

Muroi M,Shiragami N,Takatsuki A

doi

10.1006/bbrc.1994.2815

subject

Has Abstract

pub_date

1994-12-15 00:00:00

pages

1358-65

issue

2

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(84)72815-4

journal_volume

205

pub_type

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