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Peptide-based drugs can bind to protein interaction sites that small molecules often cannot, and are easier to produce than large protein drugs. However, designing effective peptide binders is difficult. A typical peptide has an enormous…

Biomolecules · Quantitative Biology 2025-11-19 Xiaoqiong Xia , Cesar de la Fuente-Nunez

Target proteins that lack accessible binding pockets and conformational stability have posed increasing challenges for drug development. Induced proximity strategies, such as PROTACs and molecular glues, have thus gained attention as…

In recent years, natural language processing (NLP) models have demonstrated remarkable capabilities in various domains beyond traditional text generation. In this work, we introduce PeptideGPT, a protein language model tailored to generate…

Machine Learning · Computer Science 2024-10-28 Aayush Shah , Chakradhar Guntuboina , Amir Barati Farimani

A major challenge in computational chemistry is the generation of novel molecular structures with desirable pharmacological and physiochemical properties. In this work, we investigate the potential use of autoencoder, a deep learning…

Machine Learning · Computer Science 2017-11-22 Thomas Blaschke , Marcus Olivecrona , Ola Engkvist , Jürgen Bajorath , Hongming Chen

Proteins are complex biomolecules that perform a variety of crucial functions within living organisms. Designing and generating novel proteins can pave the way for many future synthetic biology applications, including drug discovery.…

Peptides are ubiquitous and important biologically derived molecules, that have been found to self-assemble to form a wide array of structures. Extensive research has explored the impacts of both internal chemical composition and external…

Soft Condensed Matter · Physics 2024-11-11 Zhenze Yang , Sarah K. Yorke , Tuomas P. J. Knowles , Markus J. Buehler

Structure-based drug design has seen significant advancements with the integration of artificial intelligence (AI), particularly in the generation of hit and lead compounds. However, most AI-driven approaches neglect the importance of…

Machine Learning · Computer Science 2025-11-10 Xinheng He , Yijia Zhang , Haowei Lin , Xingang Peng , Xiangzhe Kong , Mingyu Li , Jianzhu Ma

We introduce a protein language model for determining the complete sequence of a peptide based on measurement of a limited set of amino acids. To date, protein sequencing relies on mass spectrometry, with some novel edman degregation based…

We present PepEDiff, a novel peptide binder generator that designs binding sequences given a target receptor protein sequence and its pocket residues. Peptide binder generation is critical in therapeutic and biochemical applications, yet…

Artificial Intelligence · Computer Science 2026-03-09 Po-Yu Liang , Tibo Duran , Jun Bai

Peptides play a crucial role in the drug design and discovery whether as a therapeutic modality or a delivery agent. Non-natural amino acids (NNAAs) have been used to enhance the peptide properties from binding affinity, plasma stability to…

Recent advancements in specialized large-scale architectures for training image and language have profoundly impacted the field of computer vision and natural language processing (NLP). Language models, such as the recent ChatGPT and GPT4…

Biomolecules · Quantitative Biology 2023-05-04 Sergio Romero-Romero , Sebastian Lindner , Noelia Ferruz

We study a fundamental problem in structure-based drug design -- generating molecules that bind to specific protein binding sites. While we have witnessed the great success of deep generative models in drug design, the existing methods are…

Biomolecules · Quantitative Biology 2022-11-15 Shitong Luo , Jiaqi Guan , Jianzhu Ma , Jian Peng

Peptide design plays a pivotal role in therapeutics, allowing brand new possibility to leverage target binding sites that are previously undruggable. Most existing methods are either inefficient or only concerned with the target-agnostic…

Biomolecules · Quantitative Biology 2024-10-31 Xiangzhe Kong , Yinjun Jia , Wenbing Huang , Yang Liu

Generating novel active molecules for a given protein is an extremely challenging task for generative models that requires an understanding of the complex physical interactions between the molecule and its environment. In this paper, we…

Representation learning for proteins has primarily focused on the global understanding of protein sequences regardless of their length. However, shorter proteins (known as peptides) take on distinct structures and functions compared to…

Quantitative Methods · Quantitative Biology 2022-11-15 Gil Sadeh , Zichen Wang , Jasleen Grewal , Huzefa Rangwala , Layne Price

Proteins adopt multiple structural conformations to perform their diverse biological functions, and understanding these conformations is crucial for advancing drug discovery. Traditional physics-based simulation methods often struggle with…

Biomolecules · Quantitative Biology 2025-03-14 Jiarui Lu , Xiaoyin Chen , Stephen Zhewen Lu , Chence Shi , Hongyu Guo , Yoshua Bengio , Jian Tang

Generating molecules with high binding affinities to target proteins (a.k.a. structure-based drug design) is a fundamental and challenging task in drug discovery. Recently, deep generative models have achieved remarkable success in…

Biomolecules · Quantitative Biology 2023-05-24 Zaixi Zhang , Qi Liu

Deep generative models have recently been applied to molecule design. If the molecules are encoded in linear SMILES strings, modeling becomes convenient. However, models relying on string representations tend to generate invalid samples and…

Machine Learning · Computer Science 2020-10-20 Bo Pang , Tian Han , Ying Nian Wu

Peptides are recognized for their varied self-assembly behaviors, forming a wide array of structures and geometries, such as spheres, fibers, and hydrogels, each presenting a unique set of material properties. The functionalities of these…

Biomolecules · Quantitative Biology 2025-05-15 Sarah K. Yorke , Zhenze Yang , Aviad Levin , Alice Ray , Jeremy Owusu Boamah , Tuomas P. J. Knowles , Markus J. Buehler

Protein inverse folding aims to identify viable amino acid sequences that can fold into given protein structures, enabling the design of novel proteins with desired functions for applications in drug discovery, enzyme engineering, and…

Quantitative Methods · Quantitative Biology 2024-11-05 Taoyu Wu , Yu Guang Wang , Yiqing Shen
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