SHORT COMMUNICATIONS ## A Rapid Paper Chrokatographic Assay for Protein Kinase This communication describes a simple, rapid, and effective paper chromatographic method for separating the trichloroacetic acid (TCA) insoluble phosphorylated histone from its substrate Y-~~P-ATP in the protein kinas
A Multiplexed Protein Kinase Assay
โ Scribed by Melissa D. Shults; Igor A. Kozlov; Nicholas Nelson; Bahram G. Kermani; Peter C. Melnyk; Veronika Shevchenko; Anu Srinivasan; Joseph Musmacker; John P. Hachmann; David L. Barker; Michal Lebl; Chanfeng Zhao
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 409 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1439-4227
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A microchip-based enzyme assay for protein kinase A is described. The microchips were prepared by standard photolithographic techniques. The assay reagents were placed in wells on the microchips, and electroosmosis was used to transport aliquots of these reagents into the network of etched channels,
A simplified assay method is described for the determination of protein kinase activity. Enzymatic activity is followed by measuring the incorporation of 32P from the terminal phosphoryl group of nucleoside triphosphates into protein substrate. Separation of the resulting 32P-labeled phosphoprotein
Protein kinase (EC 2.7.1.37) catalyzes the phosphorylation of serine and threonine residues of a number of proteins. Histone is widely used as an acceptor substrate in measuring the activity of this enzyme isolated from a variety of sources. We have devised a rapid procedure for resolving phosphohis