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Updated: Jul 6, 2026
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Characterization at the Molecular Level using Robust Biochemical Approaches of a New Kinase Protein
Published on: June 30, 2019
A multi-angular mass spectrometric view at cyclic nucleotide dependent protein kinases: in vivo characterization and
Arjen Scholten1, Thin-Thin Aye, Albert J R Heck
1Biomolecular Mass Spectrometry & Proteomics Group, Utrecht Institute of Pharmaceutical Sciences and Bijvoet Center for Biomolecular Research, Utrecht University, Sorbonnelaan 16, 3584CA, Utrecht, The Netherlands.
Mass Spectrometry Reviews
|April 3, 2008
Summary
Mass spectrometry advances our understanding of protein kinases A and G (PKA and PKG). This review highlights how proteomics and native mass spectrometry reveal kinase regulation, substrate interactions, and structural properties.
Area of Science:
- Molecular and Structural Biology
- Biochemistry
- Proteomics
Background:
- Mass spectrometry (MS) is a crucial technique in modern molecular and structural biology.
- Cyclic nucleotide-activated protein kinases, Protein Kinase A (PKA) and Protein Kinase G (PKG), play vital roles in cellular signaling.
- Understanding the complex regulation of PKA and PKG is essential for deciphering cellular functions.
Purpose of the Study:
- To review the significant contributions of mass spectrometry-based studies to the understanding of PKA and PKG.
- To highlight how various MS techniques characterize kinase isozymes, substrates, binding partners, and post-translational modifications.
- To discuss the application of MS in elucidating the structural and functional properties of these kinases.
Main Methods:
- Proteomics-based methodologies for characterizing kinase properties.
- Native mass spectrometry for assessing structural and functional aspects.
- Hydrogen-deuterium exchange mass spectrometry (H/D exchange MS) and ion mobility spectrometry for structural insights.
Main Results:
- Mass spectrometry has enabled detailed characterization of PKA and PKG isozymes, including substrate phosphorylation and binding partners.
- Proteomics and MS techniques have identified various post-translational modifications influencing kinase activity.
- Native MS, H/D exchange MS, and ion mobility have provided valuable structural and functional information about PKA and PKG.
Conclusions:
- Mass spectrometry is an indispensable tool for comprehensive analysis of protein kinases.
- Integrating MS data with other biophysical and biochemical methods is key to unraveling complex kinase regulation.
- These advancements provide a deeper understanding of kinase function in cellular signaling pathways.
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