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A proteomic method that purifies and identifies palmitoylated proteins from complex protein extracts is described. Using the fatty acid exchange labeling chemistry (described in the preceding report), palmitoyl modifications are exchanged for biotinylated compounds, allowing the subset of palmitoyl-proteins to be affinity-purified and then identified by mass spectroscopic protein identification technologies...
I present an overview of published methods for measuring mitogen activated protein (MAP) kinase activity on endogenous associated substrates, exogenously added substrates as well as determination of activation loop phosphorylation as a read-out of kinase activity in vivo. Detailed procedures for these assays are given for two MAP kinases (MAPKs) Fus3 and Kss1 and compared with other published protocols,...
The use of the budding yeast Saccharomyces cerevisiae as a simple eukaryotic model system for the study of chromatin assembly and regulation has allowed rapid discovery of genes that influence this complex process. The functions of many of the proteins encoded by these genes have not yet been fully characterized. Here, we describe a high-throughput methodology that can be used to illuminate gene function...
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