Inhibitors of V-ATPases: old and new players

Autor(en): Huss, Markus 
Wieczorek, Helmut 
Stichwörter: antibiotic inhibitors; BAFILOMYCIN A(1); BAFILOMYCIN/CONCANAMYCIN-BINDING-SITE; benzolactone enamides; Biology; CONCANAMYCIN-A; CYTOTOXIC MACROLIDES; H+-translocating vacuolar-type ATPase; indolyls; Life Sciences & Biomedicine - Other Topics; macrolactones; P-TYPE; plecomacrolides; POTENT; SELECTIVE INHIBITOR; STRUCTURAL ELUCIDATION; SUBUNIT-C; V-ATPase; VACUOLAR-H+-ATPASE
Erscheinungsdatum: 2009
Herausgeber: COMPANY BIOLOGISTS LTD
Journal: JOURNAL OF EXPERIMENTAL BIOLOGY
Volumen: 212
Ausgabe: 3
Startseite: 341
Seitenende: 346
Zusammenfassung: 
V-ATPases constitute a ubiquitous family of heteromultimeric, proton translocating proteins. According to their localization in a multitude of eukaryotic endomembranes and plasma membranes, they energize many different transport processes. Currently, a handful of specific inhibitors of the V-ATPase are known, which represent valuable tools for the characterization of transport processes on the level of tissues, single cells or even purified proteins. The understanding of how these inhibitors function may provide a basis to develop new drugs for the benefit of patients suffering from diseases such as osteoporosis or cancer. For this purpose, it appears absolutely essential to determine the exact inhibitor binding site in a target protein on the one side and to uncover the crucial structural elements of an inhibitor on the other side. However, even for some of the most popular and long known V-ATPase inhibitors, such as bafilomycin or concanamycin, the authentic structures of their binding sites are elusive. The aim of this review is to summarize the recent advances for the old players in the inhibition game, the plecomacrolides bafilomycin and concanamycin, and to introduce some of the new players, the macrolacton archazolid, the benzolactone enamides salicylihalamide, lobatamide, apicularen, oximidine and cruentaren, and the indolyls.
ISSN: 00220949
DOI: 10.1242/jeb.024067

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