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. 1971 May;106(2):596–602. doi: 10.1128/jb.106.2.596-602.1971

Variations in the Localization of Acetyl-Coenzyme A Synthetase in Aerobic Yeast Cells

Harold P Klein 1, Linda Jahnke 1
PMCID: PMC285135  PMID: 4102333

Abstract

In cells of Saccharomyces cerevisiae growing aerobically for 24 hr, acetyl-coenzyme A synthetase [acetate: CoA ligase (AMP), EC 6.2.1.1] was localized principally in the microsomal fraction. On density gradients, the enzyme in such cells behaved as a low-density particle, readily separable from the soluble proteins. After 48 hr of incubation, the cells showed a bimodal distribution of enzyme, with most of the activity now sedimenting with the mitochondrial fraction and only a smaller amount with the microsomal fraction. By using density gradients, two forms of synthetase were obtained from these cells: one band denser and the other band less dense than the intact mitochondria. In all preparations containing synthetase activity, appreciable levels of phospholipids were also detected.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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