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Updated: May 26, 2026
08:48
Specificity Analysis of Protein Lysine Methyltransferases Using SPOT Peptide Arrays
Published on: November 29, 2014
Druggability of methyl-lysine binding sites
C Santiago1, K Nguyen, M Schapira
1Structural Genomics Consortium, University of Toronto, Toronto, ON, Canada.
Journal of Computer-Aided Molecular Design
|December 8, 2011
Summary
Researchers analyzed methyl-lysine binding modules, crucial for epigenetic regulation. While generally less druggable than bromodomains, some methyl-lysine readers present exceptions for therapeutic development.
Area of Science:
- Epigenetics and chromatin biology
- Structural biology
- Drug discovery
Background:
- Methylated and acetylated lysine residues on histone peptides are recognized by specific structural modules.
- These readers are key to chromatin-mediated signaling and epigenetic gene regulation.
- Dysregulation of epigenetic mechanisms is linked to various diseases.
Purpose of the Study:
- To systematically analyze the structure of methyl-lysine binding modules.
- To predict the druggability landscape of these epigenetic readers.
- To compare their druggability with acetyl-lysine binding bromodomains.
Main Methods:
- Systematic structural analysis of methyl-lysine binding proteins.
- Development of a predictive druggability landscape.
- Comparative analysis with known druggable targets like bromodomains.
Main Results:
- Methyl-lysine binding modules are generally less druggable than bromodomains.
- A predictive landscape highlights varying druggability across different methyl-lysine readers.
- Specific methyl-lysine binding proteins were identified as notable exceptions with potential for drug development.
Conclusions:
- While challenging, targeting methyl-lysine readers is feasible for certain proteins.
- This study provides a framework for identifying druggable epigenetic targets.
- Findings may guide the development of novel therapeutics for epigenetic-dysregulated diseases.
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