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Advanced automated AI techniques allow us to classify protein sequences and discern their biological families and functions. Conventional approaches for classifying these protein families often focus on extracting N-Gram features from the…

定量方法 · 定量生物学 2024-10-24 Bahar Ali , Anwar Shah , Malik Niaz , Musadaq Mansoord , Sami Ullah , Muhammad Adnan

Learning effective protein representations is critical in a variety of tasks in biology such as predicting protein function or structure. Existing approaches usually pretrain protein language models on a large number of unlabeled amino acid…

机器学习 · 计算机科学 2023-01-31 Zuobai Zhang , Minghao Xu , Arian Jamasb , Vijil Chenthamarakshan , Aurelie Lozano , Payel Das , Jian Tang

Proteins are complex biomolecules that play a central role in various biological processes, making them critical targets for breakthroughs in molecular biology, medical research, and drug discovery. Deciphering their intricate, hierarchical…

机器学习 · 计算机科学 2025-05-09 Viet Thanh Duy Nguyen , Truong-Son Hy

Proteins are the main workhorses of biological functions in a cell, a tissue, or an organism. Identification and quantification of proteins in a given sample, e.g. a cell type under normal/disease conditions, are fundamental tasks for the…

计算工程、金融与科学 · 计算机科学 2017-10-10 Ngoc Hieu Tran , Zachariah Levine , Lei Xin , Baozhen Shan , Ming Li

Motivation: 3D structures of proteins provide rich information for understanding their biochemical roles. Identifying the representative protein structures for protein sequences is essential for analysis of proteins at proteome scale.…

基因组学 · 定量生物学 2023-03-01 Boshen Wang , Xue Lei , Wei Tian , Alan Perez-Rathke , Yan-Yuan Tseng , Jie Liang

Sequence set is a widely-used type of data source in a large variety of fields. A typical example is protein structure prediction, which takes an multiple sequence alignment (MSA) as input and aims to infer structural information from it.…

生物大分子 · 定量生物学 2019-06-27 Fusong Ju , Jianwei Zhu , Guozheng Wei , Qi Zhang , Shiwei Sun , Dongbo Bu

Graphs as a type of data structure have recently attracted significant attention. Representation learning of geometric graphs has achieved great success in many fields including molecular, social, and financial networks. It is natural to…

机器学习 · 计算机科学 2021-07-08 Tian Xia , Wei-Shinn Ku

Understanding and extracting the patterns of microscopy images has been a major challenge in the biomedical field. Although trained scientists can locate the proteins of interest within a human cell, this procedure is not efficient and…

计算机视觉与模式识别 · 计算机科学 2020-06-09 Hanke Chen

Composed of amino acid chains that influence how they fold and thus dictating their function and features, proteins are a class of macromolecules that play a central role in major biological processes and are required for the structure,…

定量方法 · 定量生物学 2022-07-15 Aaron Wang

Vector representation of sentences is important for many text processing tasks that involve clustering, classifying, or ranking sentences. Recently, distributed representation of sentences learned by neural models from unlabeled data has…

计算与语言 · 计算机科学 2016-10-27 Tanay Kumar Saha , Shafiq Joty , Naeemul Hassan , Mohammad Al Hasan

This paper proposes a new mathematical approach to characterize native protein structures based on the discrete differential geometry of tetrahedron tiles. In the approach, local structure of proteins is classified into finite types…

生物大分子 · 定量生物学 2007-05-23 Naoto Morikawa

The effective representation of proteins is a crucial task that directly affects the performance of many bioinformatics problems. Related proteins usually bind to similar ligands. Chemical characteristics of ligands are known to capture the…

机器学习 · 统计学 2018-07-02 Hakime Öztürk , Elif Ozkirimli , Arzucan Özgür

We consider representation learning for proteins with 3D structures. We build 3D graphs based on protein structures and develop graph networks to learn their representations. Depending on the levels of details that we wish to capture,…

机器学习 · 计算机科学 2023-03-07 Limei Wang , Haoran Liu , Yi Liu , Jerry Kurtin , Shuiwang Ji

Protein representation learning plays a crucial role in understanding the structure and function of proteins, which are essential biomolecules involved in various biological processes. In recent years, deep learning has emerged as a…

生物大分子 · 定量生物学 2024-03-11 Bozhen Hu , Cheng Tan , Lirong Wu , Jiangbin Zheng , Jun Xia , Zhangyang Gao , Zicheng Liu , Fandi Wu , Guijun Zhang , Stan Z. Li

In this paper we address the problem of protein classification starting from a multi-view 2D representation of proteins. From each 3D protein structure, a large set of 2D projections is generated using the protein visualization software…

计算机视觉与模式识别 · 计算机科学 2019-10-30 Loris Nanni , Alessandra Lumini , Federica Pasquali , Sheryl Brahnam

Kernel classifiers and regressors designed for structured data, such as sequences, trees and graphs, have significantly advanced a number of interdisciplinary areas such as computational biology and drug design. Typically, kernels are…

机器学习 · 计算机科学 2020-01-14 Hanjun Dai , Bo Dai , Le Song

Designing protein sequences that fold into a target 3D structure, known as protein inverse folding, is a fundamental challenge in protein engineering. While recent deep learning methods have achieved impressive performance by recovering…

生物大分子 · 定量生物学 2025-06-03 Mengdi Liu , Xiaoxue Cheng , Zhangyang Gao , Hong Chang , Cheng Tan , Shiguang Shan , Xilin Chen

Non protein coding regions of the human genome contain many complex patterns which regulate the cellular activity. Studying the human genome is limited by the lack of understanding of its features and their complex interactions. However,…

基因组学 · 定量生物学 2017-08-15 Kerim Arioglu , Umut Eser

The increasing number of protein sequences decoded from genomes is opening up new avenues of research on linking protein sequence to function with transformer neural networks. Recent research has shown that the number of known protein…

机器学习 · 计算机科学 2022-06-23 Anowarul Kabir , Amarda Shehu

The rapid growth in the number of experimental and predicted protein structures and more complicated protein structures challenge users in computational biology for utilizing the structural information and protein surface property…

定量方法 · 定量生物学 2023-08-08 Junkang Wei , Jin Xiao , Siyuan Chen , Licheng Zong , Xin Gao , Yu Li