AI-ACCELERATED DRUG DISCOVERY

Histone-lysine N-methyltransferase EHMT1

Explore its Potential with AI-Driven Innovation
Predicted by Alphafold

Histone-lysine N-methyltransferase EHMT1 - Focused Library Design

Available from Reaxense

This protein is integrated into the Receptor.AI ecosystem as a prospective target with high therapeutic potential. We performed a comprehensive characterization of Histone-lysine N-methyltransferase EHMT1 including:

1. LLM-powered literature research

Our custom-tailored LLM extracted and formalized all relevant information about the protein from a large set of structured and unstructured data sources and stored it in the form of a Knowledge Graph. This comprehensive analysis allowed us to gain insight into Histone-lysine N-methyltransferase EHMT1 therapeutic significance, existing small molecule ligands, relevant off-targets, and protein-protein interactions.

 Fig. 1. Preliminary target research workflow

2. AI-Driven Conformational Ensemble Generation

Starting from the initial protein structure, we employed advanced AI algorithms to predict alternative functional states of Histone-lysine N-methyltransferase EHMT1, including large-scale conformational changes along "soft" collective coordinates. Through molecular simulations with AI-enhanced sampling and trajectory clustering, we explored the broad conformational space of the protein and identified its representative structures. Utilizing diffusion-based AI models and active learning AutoML, we generated a statistically robust ensemble of equilibrium protein conformations that capture the receptor's full dynamic behavior, providing a robust foundation for accurate structure-based drug design.

 Fig. 2. AI-powered molecular dynamics simulations workflow

3. Binding pockets identification and characterization

We employed the AI-based pocket prediction module to discover orthosteric, allosteric, hidden, and cryptic binding pockets on the protein’s surface. Our technique integrates the LLM-driven literature search and structure-aware ensemble-based pocket detection algorithm that utilizes previously established protein dynamics. Tentative pockets are then subject to AI scoring and ranking with simultaneous detection of false positives. In the final step, the AI model assesses the druggability of each pocket enabling a comprehensive selection of the most promising pockets for further targeting.

 Fig. 3. AI-based binding pocket detection workflow

4. AI-Powered Virtual Screening

Our ecosystem is equipped to perform AI-driven virtual screening on Histone-lysine N-methyltransferase EHMT1. With access to a vast chemical space and cutting-edge AI docking algorithms, we can rapidly and reliably predict the most promising, novel, diverse, potent, and safe small molecule ligands of Histone-lysine N-methyltransferase EHMT1. This approach allows us to achieve an excellent hit rate and to identify compounds ready for advanced lead discovery and optimization.

 Fig. 4. The screening workflow of Receptor.AI

Receptor.AI, in partnership with Reaxense, developed a next-generation technology for on-demand focused library design to enable extensive target exploration.

The focused library for Histone-lysine N-methyltransferase EHMT1 includes a list of the most effective modulators, each annotated with 38 ADME-Tox and 32 physicochemical and drug-likeness parameters. Furthermore, each compound is shown with its optimal docking poses, affinity scores, and activity scores, offering a detailed summary.

Histone-lysine N-methyltransferase EHMT1

partner:

Reaxense

upacc:

Q9H9B1

UPID:

EHMT1_HUMAN

Alternative names:

Euchromatic histone-lysine N-methyltransferase 1; G9a-like protein 1; Histone H3-K9 methyltransferase 5; Lysine N-methyltransferase 1D

Alternative UPACC:

Q9H9B1; B1AQ58; B1AQ59; Q86X08; Q8TCN7; Q96F53; Q96JF1; Q96KH4

Background:

Histone-lysine N-methyltransferase EHMT1, also known as Euchromatic histone-lysine N-methyltransferase 1, plays a pivotal role in chromatin structure and gene expression. It specifically targets 'Lys-9' of histone H3, marking it for epigenetic transcriptional repression. This enzyme is crucial for DNA methylation and cell cycle transition from G0 to G1, indicating its broad impact on cellular function.

Therapeutic significance:

EHMT1's mutation leads to Kleefstra syndrome 1, characterized by intellectual disability, developmental delay, and various physical anomalies. Understanding EHMT1's role could unveil new therapeutic strategies for managing or potentially treating Kleefstra syndrome 1 and related epigenetic disorders.

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