AI-ACCELERATED DRUG DISCOVERY

cGMP-dependent protein kinase 2

Explore its Potential with AI-Driven Innovation
Predicted by Alphafold

cGMP-dependent protein kinase 2 - 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 cGMP-dependent protein kinase 2 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 cGMP-dependent protein kinase 2 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 cGMP-dependent protein kinase 2, 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 cGMP-dependent protein kinase 2. 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 cGMP-dependent protein kinase 2. 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 cGMP-dependent protein kinase 2 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.

cGMP-dependent protein kinase 2

partner:

Reaxense

upacc:

Q13237

UPID:

KGP2_HUMAN

Alternative names:

cGMP-dependent protein kinase II

Alternative UPACC:

Q13237; B4DMX3; E7EPE6; O00125; O60916

Background:

cGMP-dependent protein kinase 2, also known as cGMP-dependent protein kinase II, plays a pivotal role in various physiological processes. It regulates intestinal secretion and bone growth by phosphorylating and activating CFTR on the plasma membrane. This kinase is essential for intestinal secretion in the jejunum, synaptic plasticity by acting downstream of NMDAR, and gene expression in mechanically stimulated osteoblasts, leading to the activation of MAPK pathways and induction of FOS genes.

Therapeutic significance:

The involvement of cGMP-dependent protein kinase 2 in spondylometaphyseal dysplasia, Pagnamenta type, and acromesomelic dysplasia 4, underscores its therapeutic significance. Understanding the role of this kinase could open doors to potential therapeutic strategies for these skeletal disorders, characterized by short stature and limb abnormalities, by targeting the underlying genetic variants affecting its function.

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