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Protein language models (PLMs) have advanced computational protein science through large-scale pretraining and scalable architectures. In parallel, reinforcement learning (RL) has broadened exploration and enabled precise multi-objective…

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…

Machine Learning · Computer Science 2023-02-10 Zaixiang Zheng , Yifan Deng , Dongyu Xue , Yi Zhou , Fei YE , Quanquan Gu

Protein language models (PLMs) have shown promise in improving the understanding of protein sequences, contributing to advances in areas such as function prediction and protein engineering. However, training these models from scratch…

Machine Learning · Computer Science 2024-12-19 Shivasankaran Vanaja Pandi , Bharath Ramsundar

We consider the protein sequence engineering problem, which aims to find protein sequences with high fitness levels, starting from a given wild-type sequence. Directed evolution has been a dominating paradigm in this field which has an…

Machine Learning · Computer Science 2025-01-20 Yinkai Wang , Jiaxing He , Yuanqi Du , Xiaohui Chen , Jianan Canal Li , Li-Ping Liu , Xiaolin Xu , Soha Hassoun

Large pretrained models are showing increasingly better performance in reasoning and planning tasks across different modalities, opening the possibility to leverage them for complex sequential decision making problems. In this paper, we…

Artificial Intelligence · Computer Science 2024-10-10 Martin Klissarov , Devon Hjelm , Alexander Toshev , Bogdan Mazoure

Protein language models (pLMs) have demonstrated success at generating functional proteins across vast sequence spaces but lack the ability to design high-fitness variants on demand. Here, we iteratively guide pLMs toward user-defined…

Biomolecules · Quantitative Biology 2025-12-01 Filippo Stocco , Maria Artigues-Lleixa , Andrea Hunklinger , Talal Widatalla , Marc Guell , Noelia Ferruz

Reinforcement learning (RL) with unit test feedback has enhanced large language models' (LLMs) code generation, but relies on sparse rewards provided only after complete code evaluation, limiting learning efficiency and incremental…

Artificial Intelligence · Computer Science 2025-02-05 Ning Dai , Zheng Wu , Renjie Zheng , Ziyun Wei , Wenlei Shi , Xing Jin , Guanlin Liu , Chen Dun , Liang Huang , Lin Yan

Large Language models (LLMs) have emerged as powerful tools for addressing challenges across diverse domains. Notably, recent studies have demonstrated that large language models significantly enhance the efficiency of biomolecular analysis…

Computation and Language · Computer Science 2025-03-07 Jiyue Jiang , Zikang Wang , Yuheng Shan , Heyan Chai , Jiayi Li , Zixian Ma , Xinrui Zhang , Yu Li

Reinforcement learning (RL) faces challenges in evaluating policy trajectories within intricate game tasks due to the difficulty in designing comprehensive and precise reward functions. This inherent difficulty curtails the broader…

Artificial Intelligence · Computer Science 2024-07-02 Zichao Shen , Tianchen Zhu , Qingyun Sun , Shiqi Gao , Jianxin Li

Protein language models (pLMs), pre-trained via causal language modeling on protein sequences, have been a promising tool for protein sequence design. In real-world protein engineering, there are many cases where the amino acids in the…

Machine Learning · Computer Science 2023-03-30 Youhan Lee , Hasun Yu

Deep neural-network-based language models (LMs) are increasingly applied to large-scale protein sequence data to predict protein function. However, being largely black-box models and thus challenging to interpret, current protein LM…

Quantitative Methods · Quantitative Biology 2024-08-06 Mai Ha Vu , Rahmad Akbar , Philippe A. Robert , Bartlomiej Swiatczak , Victor Greiff , Geir Kjetil Sandve , Dag Trygve Truslew Haug

Pre-trained LLMs have demonstrated substantial capabilities across a range of conventional natural language processing (NLP) tasks, such as summarization and entity recognition. In this paper, we explore the application of LLMs in the…

Quantitative Methods · Quantitative Biology 2024-08-14 Kamyar Zeinalipour , Neda Jamshidi , Monica Bianchini , Marco Maggini , Marco Gori

Existing reinforcement learning strategies based on outcome supervision have proven effective in enhancing the performance of large language models(LLMs) for code generation. While reinforcement learning based on process supervision has…

Software Engineering · Computer Science 2025-02-05 Yufan Ye , Ting Zhang , Wenbin Jiang , Hua Huang

Supervised fine-tuning (SFT) is a standard approach for adapting large language models to specialized domains, yet its application to protein sequence modeling and protein language models (PLMs) remains ad hoc. This is in part because…

Machine Learning · Computer Science 2025-12-11 Amin Tavakoli , Raswanth Murugan , Ozan Gokdemir , Arvind Ramanathan , Frances Arnold , Anima Anandkumar

Protein analysis tasks arising in healthcare settings often require accurate reasoning under protein sequence constraints, involving tasks such as functional interpretation of disease-related variants, protein-level analysis for clinical…

Artificial Intelligence · Computer Science 2026-03-03 Congying Liu , Taihao Li , Ming Huang , Xingyuan Wei , Peipei Liu , Yiqing Shen , Yanxu Mao , Tiehan Cui

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…

Artificial Intelligence · Computer Science 2025-12-01 Fiona Y. Wang , Di Sheng Lee , David L. Kaplan , Markus J. Buehler

RNA design, the task of finding a sequence that folds into a target secondary structure, has broad biological and biomedical impact but remains computationally challenging due to the exponentially large sequence space and exponentially many…

Machine Learning · Computer Science 2026-02-16 Milan Gautam , Ning Dai , Tianshuo Zhou , Bowen Xie , David Mathews , Liang Huang

Developing new drugs is laborious and costly, demanding extensive time investment. In this paper, we introduce a de-novo drug design strategy, which harnesses the capabilities of language models to devise targeted drugs for specific…

Biomolecules · Quantitative Biology 2025-05-20 Salma J. Ahmed , Emad A. Mohammed

The growing disparity between the exponential scaling of computational resources and the finite growth of high-quality text data now constrains conventional scaling approaches for large language models (LLMs). To address this challenge, we…

Protein retrieval, which targets the deconstruction of the relationship between sequences, structures and functions, empowers the advancing of biology. Basic Local Alignment Search Tool (BLAST), a sequence-similarity-based algorithm, has…

Information Retrieval · Computer Science 2025-01-06 Yuxuan Wu , Xiao Yi , Yang Tan , Huiqun Yu , Guisheng Fan , Gaowei Zheng
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