AI-ACCELERATED DRUG DISCOVERY
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 Receptor-type tyrosine-protein kinase FLT3 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 Receptor-type tyrosine-protein kinase FLT3 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 Receptor-type tyrosine-protein kinase FLT3, 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 Receptor-type tyrosine-protein kinase FLT3. 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 Receptor-type tyrosine-protein kinase FLT3. 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 Receptor-type tyrosine-protein kinase FLT3 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.
Receptor-type tyrosine-protein kinase FLT3
partner:
Reaxense
upacc:
P36888
UPID:
FLT3_HUMAN
Alternative names:
FL cytokine receptor; Fetal liver kinase-2; Fms-like tyrosine kinase 3; Stem cell tyrosine kinase 1
Alternative UPACC:
P36888; A0AVG9; B7ZLT7; B7ZLT8; F5H0A0; Q13414
Background:
Receptor-type tyrosine-protein kinase FLT3, also known as Fms-like tyrosine kinase 3, plays a pivotal role in the regulation of hematopoietic progenitor cells. This protein, acting as a cell-surface receptor for the cytokine FLT3LG, is crucial for the differentiation, proliferation, and survival of hematopoietic progenitor cells and dendritic cells. It promotes the phosphorylation of several key proteins, including SHC1, AKT1, and MTOR, facilitating the activation of vital signaling pathways.
Therapeutic significance:
The FLT3 protein is significantly implicated in acute myelogenous leukemia (AML), a malignant disease of bone marrow. Somatic mutations in FLT3, leading to its constitutive activation, are frequent in AML patients. These mutations disrupt normal kinase activity regulation, promoting cell proliferation and resistance to apoptosis. Understanding the role of FLT3 in AML pathogenesis opens doors to potential therapeutic strategies, focusing on targeting these mutations.
