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Updated: Apr 27, 2026

A Mass Spectrometry-Based Approach to Identify Phosphoprotein Phosphatases and their Interactors
Published on: April 29, 2022
Investigating co-evolution of functionally associated phosphosites in human
Zhi Liu1, Guangyong Zheng, Xiao Dong
1Key Laboratory of Systems Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 320 Yueyang Rd., Shanghai, 200031, People's Republic of China.
Co-evolution analysis reveals functional links between protein phosphosites. This approach aids in understanding the roles of phosphorylation sites and their associations in human cellular signaling.
Area of Science:
- Molecular Biology
- Evolutionary Biology
- Bioinformatics
Background:
- Phosphorylation is crucial for protein function and cellular signaling.
- Mass spectrometry identifies numerous phosphosites, but functional characterization methods are limited.
- Exploring phosphosite function and associations is vital for understanding cellular processes.
Purpose of the Study:
- To investigate if co-evolutionary properties can predict phosphosite function.
- To examine co-evolutionary relationships among functionally linked phosphosites in humans.
Main Methods:
- Representing phosphosite evolution using phylogenetic profiles.
- Detecting co-evolutionary correlations at three levels: within proteins, across signaling pathways, and generally.
- Analyzing human phosphosites.
Main Results:
- Co-evolution is a common characteristic of functionally associated phosphosites.
- The study demonstrated co-evolutionary signals among phosphosites within proteins.
- Co-evolutionary patterns were also observed for phosphosites in the same signaling pathways.
Conclusions:
- Co-evolution serves as a viable indicator for exploring phosphosite function.
- This method can help elucidate functional associations between phosphosites.
- The findings support the use of evolutionary analysis in phosphoproteomics research.
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