AI-ACCELERATED DRUG DISCOVERY

Regulatory factor X-associated protein

Explore its Potential with AI-Driven Innovation
Predicted by Alphafold

Regulatory factor X-associated protein - 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 Regulatory factor X-associated protein 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 Regulatory factor X-associated protein 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 Regulatory factor X-associated protein, 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 Regulatory factor X-associated protein. 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 Regulatory factor X-associated protein. 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 Regulatory factor X-associated protein 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.

Regulatory factor X-associated protein

partner:

Reaxense

upacc:

O00287

UPID:

RFXAP_HUMAN

Alternative names:

RFX DNA-binding complex 36 kDa subunit

Alternative UPACC:

O00287; B2R9T8; Q5VZM6; Q8TC40

Background:

The Regulatory factor X-associated protein, also known as RFX DNA-binding complex 36 kDa subunit, plays a crucial role in the immune system. It is a key component of the RFX complex, which is essential for the binding to the X-box of MHC II promoters, a process vital for the proper expression of MHC II genes.

Therapeutic significance:

Linked to Bare lymphocyte syndrome 2, a severe immunodeficiency disease, this protein's dysfunction leads to a significant decrease in MHC II expression, resulting in a compromised immune response. Understanding the role of Regulatory factor X-associated protein could open doors to potential therapeutic strategies for enhancing immune function.

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