期刊
BIOLOGICAL CHEMISTRY
卷 389, 期 4, 页码 371-381出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/BC.2008.043
关键词
protease degradomics; protease specificity profiling; protease substrates; targeted proteomics
Identification of protease substrates and detailed characterization of processed sites are essential for understanding the biological function of proteases. Because of inherent complexity reasons, this however remains a formidable analytical challenge, illustrated by the fact that the majority of the more than 500 human proteases are uncharacterized to date. Recently, in addition to conventional genetic and biochemical approaches, diverse quantitative peptide-centric proteomics approaches, some of which selectively recover N-terminal peptides, have emerged. These latter proteomic technologies in particular allow the identification of natural protease substrates and delineation of cleavage sites in a complex, natural background of thousands of different proteins. We here review current biochemical, genetic and proteomic methods for global analysis of substrates of proteases and discuss selected applications.
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