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Despite the central role that antibodies play in the adaptive immune system and in biotechnology, much remains unknown about the quantitative relationship between an antibody's amino acid sequence and its antigen binding affinity. Here we…

Quantitative Methods · Quantitative Biology 2018-04-16 Rhys M. Adams , Thierry Mora , Aleksandra M. Walczak , Justin B. Kinney

Protein-protein interactions (PPIs) are essentials for many biological processes where two or more proteins physically bind together to achieve their functions. Modeling PPIs is useful for many biomedical applications, such as vaccine…

Biomolecules · Quantitative Biology 2021-12-10 Yang Xue , Zijing Liu , Xiaomin Fang , Fan Wang

With the huge spike in the COVID-19 cases across the globe and reverse transcriptase-polymerase chain reaction (RT-PCR) test remains a key component for rapid and accurate detection of severe acute respiratory syndrome coronavirus 2…

Machine Learning · Computer Science 2021-10-20 Satvik Tripathi

Antibodies are capable of potently and specifically binding individual antigens and, in some cases, disrupting their functions. The key challenge in generating antibody-based inhibitors is the lack of fundamental information relating…

Computational Engineering, Finance, and Science · Computer Science 2020-07-01 Xinmeng Li , James A. Van Deventer , Soha Hassoun

Accurately determining a change in protein binding affinity upon mutations is important for the discovery and design of novel therapeutics and to assist mutagenesis studies. Determination of change in binding affinity upon mutations…

Biomolecules · Quantitative Biology 2021-09-01 Wajid Arshad Abbasi , Syed Ali Abbas , Saiqa Andleeb

Antibodies are proteins produced by the immune system that recognize and bind to specific antigens, and their 3D structures are crucial for understanding their binding mechanism and designing therapeutic interventions. The specificity of…

Machine Learning · Computer Science 2024-10-23 Jiying Zhang , Zijing Liu , Shengyuan Bai , He Cao , Yu Li , Lei Zhang

A theory on the conformation transition for SARS-CoV-2 spike protein (S) is proposed. The conformation equilibrium between open (up) and closed (down) conformations of receptor binding domain (RBD) of the spike is studied from the…

Biomolecules · Quantitative Biology 2021-02-01 Liaofu Luo , Yongchun Zuo

Modeling the interaction between proteins and ligands and accurately predicting their binding structures is a critical yet challenging task in drug discovery. Recent advancements in deep learning have shown promise in addressing this…

Machine Learning · Computer Science 2024-01-10 Qizhi Pei , Kaiyuan Gao , Lijun Wu , Jinhua Zhu , Yingce Xia , Shufang Xie , Tao Qin , Kun He , Tie-Yan Liu , Rui Yan

Antibodies are vital proteins offering robust protection for the human body from pathogens. The development of general protein and antibody-specific pre-trained language models both facilitate antibody prediction tasks. However, there have…

Computation and Language · Computer Science 2023-03-03 Danqing Wang , Fei Ye , Hao Zhou

We consider the problem of antibody sequence design given 3D structural information. Building on previous work, we propose a fine-tuned inverse folding model that is specifically optimised for antibody structures and outperforms generic…

Biomolecules · Quantitative Biology 2023-10-31 Frédéric A. Dreyer , Daniel Cutting , Constantin Schneider , Henry Kenlay , Charlotte M. Deane

Computational drug design based on artificial intelligence is an emerging research area. At the time of writing this paper, the world suffers from an outbreak of the coronavirus SARS-CoV-2. A promising way to stop the virus replication is…

Neural and Evolutionary Computing · Computer Science 2020-09-11 Tim Cofala , Lars Elend , Philip Mirbach , Jonas Prellberg , Thomas Teusch , Oliver Kramer

Immune cells learn about their antigenic targets using tactile sense: during recognition, a highly organized yet dynamic motif, named immunological synapse, forms between immune cells and antigen-presenting cells (APCs). Via synapses,…

Biological Physics · Physics 2018-12-12 Miloš Knežević , Shenshen Wang

We examine a pair of graph generative models for the therapeutic design of novel drug candidates targeting SARS-CoV-2 viral proteins. Due to a sense of urgency, we chose well-validated models with unique strengths: an autoencoder that…

Biomolecules · Quantitative Biology 2021-05-24 Jenna Bilbrey , Logan Ward , Sutanay Choudhury , Neeraj Kumar , Ganesh Sivaraman

Accurate prediction of protein-ligand binding affinities is an essential challenge in structure-based drug design. Despite recent advances in data-driven methods for affinity prediction, their accuracy is still limited, partially because…

Biomolecules · Quantitative Biology 2024-09-04 Yaosen Min , Ye Wei , Peizhuo Wang , Xiaoting Wang , Han Li , Nian Wu , Stefan Bauer , Shuxin Zheng , Yu Shi , Yingheng Wang , Ji Wu , Dan Zhao , Jianyang Zeng

Identifying T-cell receptors (TCRs) that interact with antigenic peptides provides the technical basis for developing vaccines and immunotherapies. The emergent deep learning methods excel at learning antigen binding patterns from known…

Quantitative Methods · Quantitative Biology 2024-11-28 Jiangbin Zheng , Qianhui Xu , Ruichen Xia , Stan Z. Li

Protein-ligand binding is a fundamental biological process that is paramount to many other biological processes, such as signal transduction, metabolic pathways, enzyme construction, cell secretion, gene expression, etc. Accurate prediction…

Quantitative Methods · Quantitative Biology 2017-04-03 Zixuan Cang , Guo-Wei Wei

Recent advances in diffusion models have shown remarkable potential for antibody design, yet existing approaches apply uniform generation strategies that cannot adapt to each antigen's unique requirements. Inspired by B cell affinity…

Machine Learning · Computer Science 2025-08-19 Hanqi Feng , Peng Qiu , Mengchun Zhang , Yiran Tao , You Fan , Jingtao Xu , Barnabas Poczos

Monoclonal antibodies (mAbs) represent one of the most prevalent FDA-approved modalities for treating autoimmune diseases, infectious diseases, and cancers. However, discovery and development of therapeutic antibodies remains a…

Applying deep learning concepts from image detection and graph theory has greatly advanced protein-ligand binding affinity prediction, a challenge with enormous ramifications for both drug discovery and protein engineering. We build upon…

Biomolecules · Quantitative Biology 2023-12-05 Gregory W. Kyro , Rafael I. Brent , Victor S. Batista

B-cell epitopes play a key role in stimulating B-cells, triggering the primary immune response which results in antibody production as well as the establishment of long-term immunity in the form of memory cells. Consequently, being able to…

Quantitative Methods · Quantitative Biology 2021-03-23 Bhargab Ghoshal , Biraja Ghoshal , Stephen Swift , Allan Tucker