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Updated: Nov 20, 2025

Specificity Analysis of Protein Lysine Methyltransferases Using SPOT Peptide Arrays
Published on: November 29, 2014
Epigenetics and beyond: targeting writers of protein lysine methylation to treat disease
Kamakoti P Bhat1, H Ümit Kaniskan2,3,4,5, Jian Jin6,7,8,9
1Department of Biology, Stanford University, Stanford, CA, USA.
Abstract:
Protein lysine methylation is a crucial post-translational modification that regulates the functions of both histone and non-histone proteins. Deregulation of the enzymes or 'writers' of protein lysine methylation, lysine methyltransferases (KMTs), is implicated in the cause of many diseases, including cancer, mental health disorders and developmental disorders. Over the past decade, significant advances have been made in developing drugs to target KMTs that are involved in histone methylation and epigenetic regulation. The first of these inhibitors, tazemetostat, was recently approved for the treatment of epithelioid sarcoma and follicular lymphoma, and several more are in clinical and preclinical evaluation. Beyond chromatin, the many KMTs that regulate protein synthesis and other fundamental biological processes are emerging as promising new targets for drug development to treat diverse diseases.
Insights
Lysine methyltransferases (KMTs) regulate protein function and are implicated in diseases. Drug development targeting KMTs shows promise for treating cancers and other disorders.
Area of Science:
- Biochemistry
- Molecular Biology
- Epigenetics
Background:
- Protein lysine methylation is a key post-translational modification regulating protein function.
- Dysregulation of lysine methyltransferases (KMTs) is linked to various diseases, including cancer and developmental disorders.
- KMTs are critical enzymes involved in epigenetic regulation and other cellular processes.
Purpose of the Study:
- To highlight advances in developing drugs targeting KMTs.
- To explore KMTs as emerging therapeutic targets beyond chromatin modification.
- To underscore the potential of KMT inhibitors in treating diverse diseases.
Main Methods:
- Review of recent advancements in KMT inhibitor development.
- Analysis of KMTs involved in histone methylation and epigenetic regulation.
- Exploration of KMTs regulating protein synthesis and other biological processes.
Main Results:
- Significant progress has been made in developing KMT inhibitors.
- Tazemetostat, a KMT inhibitor, is approved for specific cancers.
- Multiple KMT inhibitors are in clinical and preclinical development.
Conclusions:
- Targeting KMTs represents a promising therapeutic strategy for various diseases.
- KMTs involved in non-histone protein regulation are emerging as valuable drug targets.
- Continued research into KMT inhibitors holds potential for novel disease treatments.
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