6o7u
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Saccharomyces cerevisiae V-ATPase Stv1-VO
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Structural highlights
FunctionVPP2_YEAST Subunit of the V0 complex of vacuolar(H+)-ATPase (V-ATPase), a multisubunit enzyme composed of a peripheral complex (V1) that hydrolyzes ATP and a membrane integral complex (V0) that translocates protons (PubMed:7514599, PubMed:11278748). V-ATPase is responsible for acidifying and maintaining the pH of intracellular compartments (PubMed:11278748, PubMed:7514599). Is present only in Golgi- and endosome-residing V-ATPase complexes; enzymes containing this subunit have a 4-fold lower ratio of proton transport to ATP hydrolysis than complexes containing the vacuolar isoform and do not dissociate V1 and V0 in response to glucose depletion (PubMed:11278748, PubMed:7514599).[1] [2] See AlsoReferences
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This page was last modified 09:23, 20 March 2024.