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Biochim Biophys Acta. 1998 May 28;1371(2):157-62.

The assembly of yeast mitochondrial ATP synthase: subunit depletion in vivo suggests ordered assembly of the stalk subunits b, OSCP and d.

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1
Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria 3168, Australia.

Abstract

The abundance in vivo of each of three subunits b, OSCP and d, components of the stalk region of the yeast mitochondrial ATP synthase complex, was manipulated by a controlled depletion strategy. Western blots of whole cell lysates were used to study the effect of depletion of each of these subunits on the cellular levels of other subunits of the enzyme complex. A hierarchy of subunit stability was determined and interpreted to indicate the order of assembly of these three subunits of the stalk region. Thus, subunit b is assembled first, followed by OSCP and then by subunit d.

PMID:
9630594
[Indexed for MEDLINE]
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