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Updated: Jun 7, 2026
12:42
Microfluidic Mixers for Studying Protein Folding
Published on: April 10, 2012
No Time to Fold: Intrinsically Disordered Microproteins in Action
Tianyu Chen1, Kevin Cao1, Thomas F Martinez1,2,3
1Department of Pharmaceutical Sciences, University of California, Irvine, Irvine, California 92617, United States.
Biochemistry
|June 5, 2026
Summary
Discovered microproteins, small protein regulators, are often intrinsically disordered. Studying these disordered microproteins enhances understanding of cellular processes and disease therapeutics.
Area of Science:
- Molecular Biology
- Genomics
- Proteomics
Background:
- Genomics and proteomics reveal thousands of microproteins encoded by small open reading frames.
- Microproteins are often intrinsically disordered, rich in disorder-promoting amino acids.
- These small proteins regulate key cellular functions like DNA repair and metabolism.
Purpose of the Study:
- To review the functions and mechanisms of disordered microproteins.
- To explore methods for studying their disordered nature.
- To discuss post-translational modifications and therapeutic targeting of microproteins.
Main Methods:
- Bioinformatic analysis of genomic and proteomic data.
- Prediction of intrinsic disorder based on amino acid composition.
- Literature review of characterized microproteins and their functions.
- Analysis of post-translational modifications and therapeutic strategies.
Main Results:
- Microproteins regulate diverse cellular processes, acting similarly to intrinsically disordered proteins (IDPs).
- Many microproteins are intrinsically disordered, influencing protein complex regulation.
- Post-translational modifications impact microprotein function and regulation.
Conclusions:
- Disordered microproteins are crucial regulators of cellular processes.
- Collaborative research between microprotein and IDP fields is vital.
- Targeting disordered microproteins offers potential therapeutic strategies for diseases.
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