Uncovering post-translational modification-associated protein-protein interactions.
Shu Wang1, Arianna O Osgood1, Abhishek Chatterjee1
1Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA 02467, USA.
Current Opinion in Structural Biology
|March 25, 2022
Summary
Post-translational modifications (PTMs) expand protein functions by altering protein-protein interactions (PPIs). Understanding these PTM-triggered PPI networks is crucial for deciphering biological processes.
Area of Science:
- Biochemistry
- Molecular Biology
- Proteomics
Background:
- Post-translational modifications (PTMs) significantly expand the functional diversity of proteins in living systems.
- PTMs can directly or indirectly influence protein-protein interactions (PPIs), impacting cellular functions.
- Understanding PTM-mediated PPIs is key to comprehending complex biological pathways.
Purpose of the Study:
- To review established strategies for identifying PTM-triggered PPIs.
- To discuss current challenges in the field of PTM-mediated PPI research.
- To highlight the importance of studying PTM-PPI networks for biological understanding.
Main Methods:
- This review synthesizes information from existing literature on PTMs and PPIs.
- It discusses methodologies used to detect and characterize PTM-dependent protein interactions.
- The review covers both direct binding events and indirect effects of PTMs on PPIs.
Main Results:
- PTMs can directly mediate PPIs through specific binding motifs recognized by reader proteins.
- PTMs can indirectly alter PPIs by affecting protein conformation, stability, or localization.
- A growing number of PTMs are being discovered, necessitating advanced methods to map their associated PPIs.
Conclusions:
- Mapping PTM-triggered PPI networks is essential for a comprehensive understanding of cellular regulation.
- Overcoming current methodological challenges is critical for advancing PTM-PPI research.
- Further investigation into PTM-PPIs will illuminate fundamental biological processes and disease mechanisms.
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