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Directed evolution plays an indispensable role in protein engineering that revises existing protein sequences to attain new or enhanced functions. Accurately predicting the effects of protein variants necessitates an in-depth understanding…

Quantitative Methods · Quantitative Biology 2023-06-09 Yang Tan , Bingxin Zhou , Yuanhong Jiang , Yu Guang Wang , Liang Hong

Recently, AlphaZero has achieved landmark results in deep reinforcement learning, by providing a single self-play architecture that learned three different games at super human level. AlphaZero is a large and complicated system with many…

Artificial Intelligence · Computer Science 2021-01-11 Hui Wang , Mike Preuss , Aske Plaat

Proteins are complex molecules responsible for different functions in nature. Enhancing the functionality of proteins and cellular fitness can significantly impact various industries. However, protein optimization using computational…

Machine Learning · Computer Science 2024-05-30 Minji Lee , Luiz Felipe Vecchietti , Hyunkyu Jung , Hyun Joo Ro , Meeyoung Cha , Ho Min Kim

The design of materials structure for optimizing functional properties and potentially, the discovery of novel behaviors is a keystone problem in materials science. In many cases microstructural models underpinning materials functionality…

Materials Science · Physics 2022-02-23 Rama K. Vasudevan , Erick Orozco , Sergei V. Kalinin

Generative machine learning models are increasingly being used to design novel proteins for therapeutic and biotechnological applications. However, the current methods mostly focus on the design of proteins with a fixed backbone structure,…

Biomolecules · Quantitative Biology 2025-03-04 Petr Kouba , Joan Planas-Iglesias , Jiri Damborsky , Jiri Sedlar , Stanislav Mazurenko , Josef Sivic

Purpose: A supervised learning framework is proposed to automatically generate MR sequences and corresponding reconstruction based on the target contrast of interest. Combined with a flexible, task-driven cost function this allows for an…

Proteins are the basic building blocks of life. They usually perform functions by folding to a particular structure. Understanding the folding process could help the researchers to understand the functions of proteins and could also help to…

Computational Engineering, Finance, and Science · Computer Science 2015-10-21 Jianzhu Ma

Fast and accurate prediction of optimal crystal structure, topology, and microstructures is important for accelerating the design and discovery of new materials. A challenge lies in the exorbitantly large structural and compositional space…

Retrieval-Augmented Generation (RAG) improves Large Language Model (LLM) performance on knowledge-intensive tasks but depends heavily on initial search query quality. Current methods, often using Reinforcement Learning (RL), typically focus…

Computation and Language · Computer Science 2025-04-16 Alan Dao , Thinh Le

Polar codes with large kernels can achieve improved error exponents but are challenging to design with low decoding complexity. This work investigates kernel construction under recursive maximum likelihood decoding (RMLD) using a…

Information Theory · Computer Science 2025-10-31 Yi-Ting Hong , Stefano Rini , Luca Barletta

Reinforcement learning (RL) is a branch of machine learning which is employed to solve various sequential decision making problems without proper supervision. Due to the recent advancement of deep learning, the newly proposed Deep-RL…

Artificial Intelligence · Computer Science 2019-04-17 Dhruv Ramani

Data-driven modeling based on Machine Learning (ML) is becoming a central component of protein engineering workflows. This perspective presents the elements necessary to develop effective, reliable, and reproducible ML models, and a set of…

Biomolecules · Quantitative Biology 2025-07-11 Fabio Herrera-Rocha , David Medina-Ortiz , Fabian Mauz , Juergen Pleiss , Mehdi D. Davari

Designing novel proteins with desired functions is crucial in biology and chemistry. However, most existing work focus on protein sequence design, leaving protein sequence and structure co-design underexplored. In this paper, we propose…

Machine Learning · Computer Science 2023-10-05 Zhenqiao Song , Yunlong Zhao , Yufei Song , Wenxian Shi , Yang Yang , Lei Li

A central problem in computational biophysics is protein structure prediction, i.e., finding the optimal folding of a given amino acid sequence. This problem has been studied in a classical abstract model, the HP model, where the protein is…

Machine Learning · Computer Science 2023-03-14 Kaiyuan Yang , Houjing Huang , Olafs Vandans , Adithya Murali , Fujia Tian , Roland H. C. Yap , Liang Dai

Designing novel functional proteins remains a slow and expensive process due to a variety of protein engineering challenges; in particular, the number of protein variants that can be experimentally tested in a given assay pales in…

Quantitative Methods · Quantitative Biology 2023-05-29 M. Zaki Jawaid , Robin W. Yeo , Aayushma Gautam , T. Blair Gainous , Daniel O. Hart , Timothy P. Daley

Learning predictive world models is crucial for enhancing the planning capabilities of reinforcement learning (RL) agents. Recently, MuZero-style algorithms, leveraging the value equivalence principle and Monte Carlo Tree Search (MCTS),…

Machine Learning · Computer Science 2025-01-06 Yuan Pu , Yazhe Niu , Zhenjie Yang , Jiyuan Ren , Hongsheng Li , Yu Liu

The goal of protein design is to generate amino acid sequences that fold into functional structures with desired properties. Prior methods combining autoregressive language models with Monte Carlo Tree Search (MCTS) struggle with long-range…

Machine Learning · Computer Science 2026-02-25 Xuefeng Liu , Mingxuan Cao , Songhao Jiang , Xiao Luo , Xiaotian Duan , Mengdi Wang , Tobin R. Sosnick , Jinbo Xu , Rick Stevens

Solving jigsaw puzzles requires to grasp the visual features of a sequence of patches and to explore efficiently a solution space that grows exponentially with the sequence length. Therefore, visual deep reinforcement learning (DRL) should…

Computer Vision and Pattern Recognition · Computer Science 2023-02-02 Marie-Morgane Paumard , Hedi Tabia , David Picard

Designing mutations to optimize protein thermostability remains challenging due to the complex relationship between sequence variations, structural dynamics, and thermostability, often assessed by \delta\delta G (the change in free energy…

Computational Engineering, Finance, and Science · Computer Science 2025-07-28 Xiangwen Wang , Gaojie Jin , Xiaowei Huang , Ronghui Mu

AlphaZero-like Monte Carlo Tree Search systems, originally introduced for two-player games, dynamically balance exploration and exploitation using neural network guidance. This combination makes them also suitable for classical search…

Machine Learning · Computer Science 2025-11-06 Alexandros Vazaios , Jannis Brugger , Cedric Derstroff , Kristian Kersting , Mira Mezini