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Updated: May 25, 2026
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Published on: July 14, 2015
A Stickiness Scale for Disordered Proteins
Fan Cao1, Giulio Tesei1, Kresten Lindorff-Larsen1
1Structural Biology and NMR Laboratory & the Linderstrøm-Lang Centre for Protein Science, Department of Biology, University of Copenhagen, 2200 Copenhagen, Denmark.
The Journal of Physical Chemistry. B
|May 23, 2026
Summary
Researchers developed a new scale measuring amino acid "stickiness" in disordered proteins. This scale aids in understanding protein interactions and evolution.
Area of Science:
- Biochemistry
- Structural Biology
- Bioinformatics
Background:
- Disordered proteins lack stable 3D structures, exhibiting diverse functions and conformations.
- Understanding amino acid propensities is crucial for predicting protein behavior.
Purpose of the Study:
- To develop a novel scale quantifying amino acid interaction propensity relative to water for disordered proteins.
- To compare this new scale with existing hydropathy scales.
Main Methods:
- A data-driven approach using biophysical experiments on 115 proteins.
- Analysis and comparison of the derived scale with 70 existing hydropathy scales.
Main Results:
- A new 'stickiness' or hydropathy scale specific to disordered proteins was derived.
- The new scale shows closer correlation with scales for membrane proteins and elastin-like peptides.
Conclusions:
- The developed scale offers a tool to quantify sequence composition's role in disordered proteins.
- This scale can enhance understanding of disordered protein interactions and evolutionary conservation.
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