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Poster
in
Workshop: Integrating Generative and Experimental Platforms for Biomolecular Design

PickPocket Enables Binding Site Prediction at the Proteome Scale

Stelina Tarasi · Laura Malo · Alexis Molina


Abstract:

Accurately identifying protein binding sites is essential for drug discovery, yet existing computational methods often struggle to balance precision, recall, and scalability. We introduce PickPocket, a deep learning model that integrates sequence-derived evolutionary embeddings from ESM-2 with geometric structural representations from GearNet to predict ligand-binding sites at the proteome scale. PickPocket leverages both residue-level sequence context and graph-based spatial relationships, enabling it to generalize across diverse protein families while maintaining high precision. Evaluated on the LIGYSIS benchmark, PickPocket outperforms state-of-the-art methods, achieving the highest F1 score (0.42) and maintaining a competitive MCC (0.37). PickPocket effectively predicts cryptic pockets, surpassing specialized models like PocketMiner even without explicit training on ligand-induced conformational changes. Our large-scale analysis of 356,711 proteins further demonstrates PickPocket’s ability to identify novel binding sites across human drug targets. By combining evolutionary and geometric learning, PickPocket represents a scalable, data-driven approach for structure-based drug discovery.

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