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Related papers: Evolutionary Profiles for Protein Fitness Predicti…

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Protein fitness optimization involves finding a protein sequence that maximizes desired quantitative properties in a combinatorially large design space of possible sequences. Recent advances in steering protein generative models (e.g.,…

Biomolecules · Quantitative Biology 2025-10-22 Jason Yang , Wenda Chu , Daniel Khalil , Raul Astudillo , Bruce J. Wittmann , Frances H. Arnold , Yisong Yue

Gradient-based preference optimization methods for large language model (LLM) alignment suffer from preference collapse, converging to narrow behavioral modes while neglecting preference diversity. We introduce EvoPref, a multi-objective…

Neural and Evolutionary Computing · Computer Science 2026-05-12 Dongxin Guo , Jikun Wu , Siu Ming Yiu

The ability to accurately model the fitness landscape of protein sequences is critical to a wide range of applications, from quantifying the effects of human variants on disease likelihood, to predicting immune-escape mutations in viruses…

Machine Learning · Computer Science 2022-05-30 Pascal Notin , Mafalda Dias , Jonathan Frazer , Javier Marchena-Hurtado , Aidan Gomez , Debora S. Marks , Yarin Gal

While large language models (LLMs) excel at static scientific reasoning, they struggle to model the temporal structure of dynamic physical processes. We present EvoMD-LLM (Evolutionary Molecular Dynamics Large Language Model), a framework…

Artificial Intelligence · Computer Science 2026-05-29 Zhichen Tang , Zhengzheng Dang , Yulin Chen , Jixin Wu , Haiwen Li , Yanming Wang

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…

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

Protein sequence data from nature exhibits survivorship bias: we only observe data from those organisms that survive and reproduce, while non-functional protein mutations are eliminated by natural selection. Thus, predicting whether a…

Machine Learning · Computer Science 2026-05-11 Zhongmou Chao , Poompol Buathong , Ekaterina Selivanovitch , Susan Daniel , Peter I. Frazier

Evolutionary model merging provides a powerful framework for the automated, training-free composition of LLMs through parameter-space search. However, existing methods predominantly rely on stochastic, hand-crafted operators that overlook…

Neural and Evolutionary Computing · Computer Science 2026-05-29 Tao Jiang , Xinmeng Yu , Chenhao Yi , Yiling Wu , Yan Li , Ran Cheng , Dongmei Jiang , Jianguo Zhang

We present a novel approach to performing fitness approximation in genetic algorithms (GAs) using machine-learning (ML) models, through dynamic adaptation to the evolutionary state. Maintaining a dataset of sampled individuals along with…

Neural and Evolutionary Computing · Computer Science 2024-05-22 Itai Tzruia , Tomer Halperin , Moshe Sipper , Achiya Elyasaf

The de novo design of ligand-binding proteins with tailored functions is essential for advancing biotechnology and molecular medicine, yet existing AI approaches are limited by scarce protein-ligand complex data. To circumvent this data…

Machine Learning · Computer Science 2026-03-03 Zhenqiao Song , Ramith Hettiarachchi , Chuan Li , Jianwen Xie , Lei Li

Experimental studies on enzyme evolution show that only a small fraction of all possible mutation trajectories are accessible to evolution. However, these experiments deal with individual enzymes and explore a tiny part of the fitness…

Populations and Evolution · Quantitative Biology 2015-05-30 Alexander E. Lobkovsky , Yuri I. Wolf , Eugene V. Koonin

Protein language models (PLMs) have emerged as powerful tools to detect complex patterns of protein sequences. However, the capability of PLMs to fully capture information on protein sequences might be limited by focusing on single…

Machine Learning · Computer Science 2025-05-27 Hazem Alsamkary , Mohamed Elshaffei , Mohamed Elkerdawy , Ahmed Elnaggar

Given the recent impressive accomplishments of language models (LMs) for code generation, we explore the use of LMs as adaptive mutation and crossover operators for an evolutionary neural architecture search (NAS) algorithm. While NAS still…

Neural and Evolutionary Computing · Computer Science 2023-11-17 Angelica Chen , David M. Dohan , David R. So

Directed evolution as a widely-used engineering strategy faces obstacles in finding desired mutants from the massive size of candidate modifications. While deep learning methods learn protein contexts to establish feasible searching space,…

Quantitative Methods · Quantitative Biology 2023-04-18 Bingxin Zhou , Outongyi Lv , Kai Yi , Xinye Xiong , Pan Tan , Liang Hong , Yu Guang Wang

As LLMs continue to shape real-world applications, automated jailbreak generation becomes essential to reveal safety weaknesses and guide model improvement. Existing automatic jailbreak generation methods have not yet fully considered two…

Neural and Evolutionary Computing · Computer Science 2026-05-06 Rui Tang , Kaiyu Xu , Pengsen Cheng , Hao Ren , Haizhou Wang , Shuyu Jiang

Inverse protein folding is a fundamental task in computational protein design, which aims to design protein sequences that fold into the desired backbone structures. While the development of machine learning algorithms for this task has…

Machine Learning · Computer Science 2024-11-05 Yiheng Zhu , Jialu Wu , Qiuyi Li , Jiahuan Yan , Mingze Yin , Wei Wu , Mingyang Li , Jieping Ye , Zheng Wang , Jian Wu

A plethora of protein language models have been released in recent years. Yet comparatively little work has addressed how to best sample from them to optimize desired biological properties. We fill this gap by proposing a flexible,…

Machine Learning · Computer Science 2026-05-08 Calvin McCarter , Nick Bhattacharya , Sebastian W. Ober , Hunter Elliott

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…

Machine Learning · Computer Science 2024-10-17 Xinyou Wang , Zaixiang Zheng , Fei Ye , Dongyu Xue , Shujian Huang , Quanquan Gu

Motivation: Proteins are of great significance in living organisms. However, understanding their functions encounters numerous challenges, such as insufficient integration of multimodal information, a large number of training parameters,…

Machine Learning · Computer Science 2025-05-23 Zhicong Wang , Zicheng Ma , Ziqiang Cao , Changlong Zhou , Jun Zhang , Yiqin Gao

During their evolution, proteins explore sequence space via an interplay between random mutations and phenotypic selection. Here we build upon recent progress in reconstructing data-driven fitness landscapes for families of homologous…

Biomolecules · Quantitative Biology 2022-01-28 Matteo Bisardi , Juan Rodriguez-Rivas , Francesco Zamponi , Martin Weigt