期刊
ANTIOXIDANTS
卷 10, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/antiox10030499
关键词
redox proteomics; cysteine; redox post-translational modifications; thiol proteome
资金
- NIH [R01 DK122160, R01 HL139335]
The review highlights how mass spectrometry-based redox proteomics has enabled accurate quantification of reversible oxidative modifications on specific cysteine residues of proteins, emphasizing the significance and application of such measurements in the field of redox biology.
Post-translational modifications regulate the structure and function of proteins that can result in changes to the activity of different pathways. These include modifications altering the redox state of thiol groups on protein cysteine residues, which are sensitive to oxidative environments. While mass spectrometry has advanced the identification of protein thiol modifications and expanded our knowledge of redox-sensitive pathways, the quantitative aspect of this technique is critical for the field of redox proteomics. In this review, we describe how mass spectrometry-based redox proteomics has enabled researchers to accurately quantify the stoichiometry of reversible oxidative modifications on specific cysteine residues of proteins. We will describe advancements in the methodology that allow for the absolute quantitation of thiol modifications, as well as recent reports that have implemented this approach. We will also highlight the significance and application of such measurements and why they are informative for the field of redox biology.
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