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Designing protein-binding proteins with high affinity is critical in biomedical research and biotechnology. Despite recent advancements targeting specific proteins, the ability to create high-affinity binders for arbitrary protein targets…

机器学习 · 计算机科学 2025-11-03 Zhenqiao Song , Tiaoxiao Li , Lei Li , Martin Renqiang Min

Designing therapeutic peptides with tailored properties is hindered by the vastness of sequence space, limited experimental data, and poor interpretability of current generative models. To address these challenges, we introduce PepThink-R1,…

机器学习 · 计算机科学 2026-03-30 Ruheng Wang , Hang Zhang , Trieu Nguyen , Shasha Feng , Hao-Wei Pang , Xiang Yu , Li Xiao , Peter Zhiping Zhang

Identifying drug-target interactions is essential for developing effective therapeutics. Binding affinity quantifies these interactions, and traditional approaches rely on computationally intensive 3D structural data. In contrast, language…

定量方法 · 定量生物学 2024-11-08 Radheesh Sharma Meda , Amir Barati Farimani

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…

机器学习 · 计算机科学 2024-10-28 Aayush Shah , Chakradhar Guntuboina , Amir Barati Farimani

This paper demonstrates that language models are strong structure-based protein designers. We present LM-Design, a generic approach to reprogramming sequence-based protein language models (pLMs), that have learned massive sequential…

机器学习 · 计算机科学 2023-02-10 Zaixiang Zheng , Yifan Deng , Dongyu Xue , Yi Zhou , Fei YE , Quanquan Gu

We devise an approach for targeted molecular design, a problem of interest in computational drug discovery: given a target protein site, we wish to generate a chemical with both high binding affinity to the target and satisfactory…

人工智能 · 计算机科学 2018-09-07 Tristan Aumentado-Armstrong

Structure-based drug design (SBDD) aims to generate 3D ligand molecules that bind to specific protein targets. Existing 3D deep generative models including diffusion models have shown great promise for SBDD. However, it is complex to…

生物大分子 · 定量生物学 2024-03-01 Zhilin Huang , Ling Yang , Zaixi Zhang , Xiangxin Zhou , Yu Bao , Xiawu Zheng , Yuwei Yang , Yu Wang , Wenming Yang

This paper introduces diffusion protein language model (DPLM), a versatile protein language model that demonstrates strong generative and predictive capabilities for protein sequences. We first pre-train scalable DPLMs from…

机器学习 · 计算机科学 2024-10-17 Xinyou Wang , Zaixiang Zheng , Fei Ye , Dongyu Xue , Shujian Huang , Quanquan Gu

Despite the prevalence and many successes of deep learning applications in de novo molecular design, the problem of peptide generation targeting specific proteins remains unsolved. A main barrier for this is the scarcity of the high-quality…

计算工程、金融与科学 · 计算机科学 2023-02-06 Tong Lin , Sijie Chen , Ruchira Basu , Dehu Pei , Xiaolin Cheng , Levent Burak Kara

Protein language models have shown remarkable success in learning biological information from protein sequences. However, most existing models are limited by either autoencoding or autoregressive pre-training objectives, which makes them…

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…

定量方法 · 定量生物学 2022-11-15 Gil Sadeh , Zichen Wang , Jasleen Grewal , Huzefa Rangwala , Layne Price

Large Language Models (LLMs) employ three popular training approaches: Masked Language Models (MLM), Causal Language Models (CLM), and Sequence-to-Sequence Models (seq2seq). However, each approach has its strengths and limitations, and…

机器学习 · 计算机科学 2025-02-18 Xuefeng Liu , Songhao Jiang , Bo Li , Rick Stevens

Designing proteins de novo with tailored structural, physicochemical, and functional properties remains a grand challenge in biotechnology, medicine, and materials science, due to the vastness of sequence space and the complex coupling…

人工智能 · 计算机科学 2025-12-01 Fiona Y. Wang , Di Sheng Lee , David L. Kaplan , Markus J. Buehler

Structure-based drug design (SBDD) is crucial for developing specific and effective therapeutics against protein targets but remains challenging due to complex protein-ligand interactions and vast chemical space. Although language models…

生物大分子 · 定量生物学 2024-08-20 Cong Fu , Xiner Li , Blake Olson , Heng Ji , Shuiwang Ji

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…

The prediction of protein structures from sequences is an important task for function prediction, drug design, and related biological processes understanding. Recent advances have proved the power of language models (LMs) in processing the…

定量方法 · 定量生物学 2022-12-01 Bozhen Hu , Jun Xia , Jiangbin Zheng , Cheng Tan , Yufei Huang , Yongjie Xu , Stan Z. Li

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…

生物大分子 · 定量生物学 2022-11-15 Shitong Luo , Jiaqi Guan , Jianzhu Ma , Jian Peng

De novo design of molecules has recently enjoyed the power of generative deep neural networks. Current approaches aim to generate molecules either resembling the properties of the molecules of the training set or molecules that are…

生物大分子 · 定量生物学 2020-11-02 Ahmadreza Ghanbarpour , Markus A. Lill

The conditional generation of proteins with desired functions is a key goal for generative models. Existing methods based on prompting of protein language models (PLMs) can generate proteins conditioned on a target functionality, such as a…

生物大分子 · 定量生物学 2025-06-13 Jason Yang , Aadyot Bhatnagar , Jeffrey A. Ruffolo , Ali Madani

We introduce Concept Bottleneck Protein Language Models (CB-pLM), a generative masked language model with a layer where each neuron corresponds to an interpretable concept. Our architecture offers three key benefits: i) Control: We can…