AI-ACCELERATED DRUG DISCOVERY

CD59 glycoprotein

Explore its Potential with AI-Driven Innovation
Predicted by Alphafold

CD59 glycoprotein - 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 CD59 glycoprotein 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 CD59 glycoprotein 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 CD59 glycoprotein, 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 CD59 glycoprotein. 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 CD59 glycoprotein. 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 CD59 glycoprotein 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.

CD59 glycoprotein

partner:

Reaxense

upacc:

P13987

UPID:

CD59_HUMAN

Alternative names:

1F5 antigen; 20 kDa homologous restriction factor; MAC-inhibitory protein; MEM43 antigen; Membrane attack complex inhibition factor; Membrane inhibitor of reactive lysis; Protectin

Alternative UPACC:

P13987; E9PR17

Background:

The CD59 glycoprotein, also known as Protectin, plays a crucial role in inhibiting the complement membrane attack complex (MAC), a key component of the immune system's defense mechanism. By binding to C8 and C9 complements, CD59 prevents the formation of the osmolytic pore, showcasing its species-specific action. Additionally, it is involved in T-cell activation signal transduction, highlighting its multifunctional nature.

Therapeutic significance:

CD59 glycoprotein's malfunction is linked to Hemolytic anemia, CD59-mediated, with or without polyneuropathy, a disorder marked by chronic hemolysis and polyneuropathy. Understanding the role of CD59 glycoprotein could open doors to potential therapeutic strategies for this and related immune or hematological disorders.

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