Purification and biochemical properties of calmodulin from Saccharomyces cerevisiae
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Purification of Active TFIID from Saccharomyces cerevisiae
The basal transcription factor TFIID is composed of the TATA-binding protein (TBP) and 14 TBP-associated factors (TAFs). Although TBP alone binds to the TATA box of DNA and supports basal transcription, the TAFs have essential functions that remain poorly defined. In order to study its properties, TFIID was purified from Saccharomyces cerevisiae using a newly developed affinity tag. Analysis of...
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Many biochemical and biophysical analyses of enzymes require quantities of protein that are difficult to obtain from expression in an endogenous system. To further complicate matters, native adenosine deaminases that act on RNA (ADARs) are expressed at very low levels, and overexpression of active protein has been unsuccessful in common bacterial systems. Here we describe the plasmid constructi...
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The membrane-associated phospholipid biosynthetic enzyme CDP-diacylglycerol synthase (CTP:phosphatidate cytidylyltransferase, EC 2.7.7.41) was purified 2,300-fold from Saccharomyces cerevisiae. The purification procedure included Triton X-100 solubilization of mitochondrial membranes, CDP-diacylglycerol-Sepharose affinity chromatography, and hydroxylapatite chromatography. The procedure resulte...
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In Saccharomyces cerevisiae, ornithine transcarbamoylase and arginase form a regulatory multienzyme complex (Hensley, P. (1988) Curr. Top. Cell. Regul. 29, 35-75). In this complex, arginase acts as a negative allosteric effector for ornithine transcarbamoylase. Before an analysis of the factors which promote and stabilize complex formation, arginase was purified in milligram quantities from a p...
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ژورنال
عنوان ژورنال: European Journal of Biochemistry
سال: 1987
ISSN: 0014-2956,1432-1033
DOI: 10.1111/j.1432-1033.1987.tb13380.x