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AlphaFold can be used for both single-chain and multi-chain protein structure prediction, while the latter becomes extremely challenging as the number of chains increases. In this work, by taking each chain as a node and assembly actions as…

Computational Engineering, Finance, and Science · Computer Science 2024-05-08 Ziqi Gao , Tao Feng , Jiaxuan You , Chenyi Zi , Yan Zhou , Chen Zhang , Jia Li

Antibody design remains a critical challenge in therapeutic and diagnostic development, particularly for complex antigens with diverse binding interfaces. Current computational methods face two main limitations: (1) capturing geometric…

Machine Learning · Computer Science 2025-06-27 Jiameng Chen , Xiantao Cai , Jia Wu , Wenbin Hu

Protein structures and functions are determined by a contiguous arrangement of amino acid sequences. Designing novel protein sequences and structures with desired geometry and functions is a complex task with large state spaces. Here we…

Chemical Physics · Physics 2022-09-01 Xeerak Agha , Nihang Fu , Jianjun Hu

In the field of antibody engineering, an essential task is to design a novel antibody whose paratopes bind to a specific antigen with correct epitopes. Understanding antibody structure and its paratope can facilitate a mechanistic…

Quantitative Methods · Quantitative Biology 2023-05-08 Yining Wang , Xumeng Gong , Shaochuan Li , Bing Yang , YiWu Sun , Chuan Shi , Yangang Wang , Cheng Yang , Hui Li , Le Song

Antibody engineering is essential for developing therapeutics and advancing biomedical research. Traditional discovery methods often rely on time-consuming and resource-intensive experimental screening. To enhance and streamline this…

Biomolecules · Quantitative Biology 2025-07-04 Jie Gao , Jing Hu , Shanzhuo Zhang , Kunrui Zhu , Sheng Qian , Yueyang Huang , Xiaonan Zhang , Xiaomin Fang

AlphaFold2 (AF2) has emerged in recent years as a groundbreaking innovation that has revolutionized several scientific fields, in particular structural biology, drug design and the elucidation of disease mechanisms. Many scientists now use…

Biomolecules · Quantitative Biology 2024-07-23 Ragousandirane Radjasandirane , Alexandre G. de Brevern

In recent years, the multiple-stage strategy has become a popular trend for visual tracking. This strategy first utilizes a base tracker to coarsely locate the target and then exploits a refinement module to obtain more accurate results.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Bin Yan , Dong Wang , Huchuan Lu , Xiaoyun Yang

Macrocyclic peptides are an emerging therapeutic modality, yet computational approaches for accurately sampling their diverse 3D ensembles remain challenging due to their conformational diversity and geometric constraints. Here, we…

Biomolecules · Quantitative Biology 2024-08-15 Colin A. Grambow , Hayley Weir , Nathaniel L. Diamant , Gabriele Scalia , Tommaso Biancalani , Kangway V. Chuang

We introduce IntFold, a controllable foundation model for general and specialized biomolecular structure prediction. Utilizing a high-performance custom attention kernel, IntFold achieves accuracy comparable to the state-of-the-art…

Biomolecules · Quantitative Biology 2025-07-08 The IntFold Team , Leon Qiao , Wayne Bai , He Yan , Gary Liu , Nova Xi , Xiang Zhang , Siqi Sun

How can we design protein sequences folding into the desired structures effectively and efficiently? AI methods for structure-based protein design have attracted increasing attention in recent years; however, few methods can simultaneously…

Artificial Intelligence · Computer Science 2023-04-14 Zhangyang Gao , Cheng Tan , Pablo Chacón , Stan Z. Li

De novo therapeutic design is challenged by a vast chemical repertoire and multiple constraints, e.g., high broad-spectrum potency and low toxicity. We propose CLaSS (Controlled Latent attribute Space Sampling) - an efficient computational…

Edge detection, as a fundamental task in computer vision, has garnered increasing attention. The advent of deep learning has significantly advanced this field. However, recent deep learning-based methods generally face two significant…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Changsong Liu , Wei Zhang , Yanyan Liu , Mingyang Li , Wenlin Li , Yimeng Fan , Xiangnan Bai , Liang Zhang

We are concerned with the estimation of the exterior surface and interior summaries of tube-shaped anatomical structures. This interest is motivated by two distinct scientific goals, one dealing with the distribution of HIV microbicide in…

Applications · Statistics 2011-04-18 Jeff Goldsmith , Brian Caffo , Ciprian Crainiceanu , Daniel Reich , Yong Du , Craig Hendrix

Peptide T is a synthetic octapeptide fragment, which corresponds to the region 185-192 of the gp120 HIV coat protein and functions as a viral entry inhibitor. In this work, a folding molecular dynamics simulation of peptide T in a…

Biomolecules · Quantitative Biology 2022-04-12 Ioanna Gkogka , Nicholas M. Glykos

We analyze 14,651 HIV1 reverse transcriptase (HIV RT) sequences from the Stanford HIV Drug Resistance Database labeled with treatment regimen in order to study the evolution this enzyme under drug selection in the clinic. Our goal is to…

Genomics · Quantitative Biology 2022-10-04 Shefali Qamar , Manel Camps , Jay Kim

Modeling peptide cyclization is critical for the virtual screening of candidate peptides with desirable physical and pharmaceutical properties. This task is challenging because a cyclic peptide often exhibits diverse, ring-shaped…

Biomolecules · Quantitative Biology 2026-02-13 Yitian Wang , Fanmeng Wang , Angxiao Yue , Wentao Guo , Yaning Cui , Hongteng Xu

Computational design of protein-binding proteins is a fundamental capability with broad utility in biomedical research and biotechnology. Recent methods have made strides against some target proteins, but on-demand creation of high-affinity…

Anticancer peptides (ACPs) are a group of peptides that exhibite antineoplastic properties. The utilization of ACPs in cancer prevention can present a viable substitute for conventional cancer therapeutics, as they possess a higher degree…

Machine Learning · Computer Science 2023-09-22 Onur Karakaya , Zeynep Hilal Kilimci

Histopathological cancer diagnostics has become more complex, and the increasing number of biopsies is a challenge for most pathology laboratories. Thus, development of automatic methods for evaluation of histopathological cancer sections…

Image and Video Processing · Electrical Eng. & Systems 2021-12-08 André Pedersen , Erik Smistad , Tor V. Rise , Vibeke G. Dale , Henrik S. Pettersen , Tor-Arne S. Nordmo , David Bouget , Ingerid Reinertsen , Marit Valla

AlphaFold2 has been hailed as a breakthrough in protein folding. It can rapidly predict protein structures with lab-grade accuracy. However, its implementation does not include the necessary training code. OpenFold is the first trainable…