期刊
BIOCHIMIE
卷 122, 期 -, 页码 77-87出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biochi.2015.10.017
关键词
Proteomics; Proteases; Degradomics; Substrates; Terminomics
资金
- Slovenian Research Agency [P1-0140, J1-3602, J1-0185, J1-5449]
Proteolytic cleavage is a ubiquitous, irreversible, posttranslational modification that changes protein structure and function and plays an important role in numerous physiological and pathological processes. Over the last decade, proteases have become increasingly important clinical targets because many of their inhibitors are already used in the clinic or in various stages of clinical testing. Therefore, a better understanding of protease action and their repertoires of physiological substrates can not only provide an important insight into their mechanisms of action but also open a path toward novel drug design. Historically, proteases and their substrates were mainly studied on a case-by-case basis, but recent advancements in mass spectrometry-based proteomics have enabled proteolysis studies on a global scale. Because there are many different types of proteases that can operate in various cellular contexts, multiple experimental approaches for their degradomic characterization had to be developed. The present paper reviews the mass spectrometry-based approaches for determining the proteolytic events in complex biological samples. The methodologies for substrate identification and the determination of protease specificity are discussed, with a special focus on terminomic strategies, which combine peptide labeling and enrichment. (C) 2015 Elsevier B.V. and Societe Francaise de Biochimie et Biologie Moleculaire (SFBBM). All rights reserved.
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