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Protein secondary structure (SS) prediction is important for studying protein structure and function. When only the sequence (profile) information is used as input feature, currently the best predictors can obtain ~80% Q3 accuracy, which…

生物大分子 · 定量生物学 2015-12-14 Sheng Wang , Jian Peng , Jianzhu Ma , Jinbo Xu

Motivation Protein fold recognition is an important problem in structural bioinformatics. Almost all traditional fold recognition methods use sequence (homology) comparison to indirectly predict the fold of a tar get protein based on the…

机器学习 · 计算机科学 2017-06-06 Jie Hou , Badri Adhikari , Jianlin Cheng

Intricate comparison between two given tertiary structures of proteins is as important as the comparison of their functions. Several algorithms have been devised to compute the similarity and dissimilarity among protein structures. But,…

计算几何 · 计算机科学 2013-09-26 Ranjeet Kumar Rout , Pabitra Pal Choudhury , B. S. Daya Sagar , Sk. Sarif Hassan

Identification and alignment of three-dimensional folding of proteins may yield useful information about relationships too remote to be detected by conventional methods, such as sequence comparison, and may potentially lead to prediction of…

定量方法 · 定量生物学 2017-01-10 Barış Ekim

We present TerraBind, a foundation model for protein-ligand structure and binding affinity prediction that achieves 26-fold faster inference than state-of-the-art methods while improving affinity prediction accuracy by $\sim$20\%. Current…

The notion of energy landscapes provides conceptual tools for understanding the complexities of protein folding and function. Energy Landscape Theory indicates that it is much easier to find sequences that satisfy the "Principle of Minimal…

生物大分子 · 定量生物学 2013-06-13 R. Gonzalo Parra , Rocío Espada , Ignacio E. Sánchez , Manfred J. Sippl , Diego U. Ferreiro

Despite an explosion in the number of experimentally determined, atomically detailed structures of biomolecules, many critical tasks in structural biology remain data-limited. Whether performance in such tasks can be improved by using large…

生物大分子 · 定量生物学 2019-12-30 Raphael J. L. Townshend , Rishi Bedi , Patricia A. Suriana , Ron O. Dror

The global Information and Communications Technology (ICT) supply chain is a complex network consisting of all types of participants. It is often formulated as a Social Network to discuss the supply chain network's relations, properties,…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Bin Xiao , Yakup Akkaya , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

Proteins play essential roles in nature, from catalyzing biochemical reactions to binding specific targets. Advances in protein engineering have the potential to revolutionize biotechnology and healthcare by designing proteins with tailored…

生物大分子 · 定量生物学 2025-05-05 Hocheol Lim , Geon-Ho Lee , Kyoung Tai No

The Gene or DNA sequence in every cell does not control genetic properties on its own; Rather, this is done through translation of DNA into protein and subsequent formation of a certain 3D structure. The biological function of a protein is…

计算工程、金融与科学 · 计算机科学 2019-05-30 Leila Khalatbari , Mohammad Reza Kangavari , Saeid Hosseini , Hongzhi Yin , Ngai-Man Cheung

The structural re-parameterization (SRP) technique is a novel deep learning technique that achieves interconversion between different network architectures through equivalent parameter transformations. This technique enables the mitigation…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Shanshan Zhong , Zhongzhan Huang , Wushao Wen , Jinghui Qin , Liang Lin

Prediction of one-dimensional protein structures such as secondary structures and contact numbers is useful for the three-dimensional structure prediction and important for the understanding of sequence-structure relationship. Here we…

生物大分子 · 定量生物学 2007-05-23 Akira R. Kinjo , Ken Nishikawa

Motivation: Thanks to the recent advances in structural biology, nowadays three-dimensional structures of various proteins are solved on a routine basis. A large portion of these contain structural repetitions or internal symmetries. To…

定量方法 · 定量生物学 2018-10-30 Guillaume Pagès , Sergei Grudinin

We are now witnessing significant progress of deep learning methods in a variety of tasks (or datasets) of proteins. However, there is a lack of a standard benchmark to evaluate the performance of different methods, which hinders the…

机器学习 · 计算机科学 2022-09-20 Minghao Xu , Zuobai Zhang , Jiarui Lu , Zhaocheng Zhu , Yangtian Zhang , Chang Ma , Runcheng Liu , Jian Tang

Proteins are fundamental biological entities that play a key role in life activities. The amino acid sequences of proteins can be folded into stable 3D structures in the real physicochemical world, forming a special kind of…

机器学习 · 计算机科学 2023-01-04 Lirong Wu , Yufei Huang , Haitao Lin , Stan Z. Li

Protein representation learning methods have shown great potential to yield useful representation for many downstream tasks, especially on protein classification. Moreover, a few recent studies have shown great promise in addressing…

机器学习 · 计算机科学 2023-04-11 Can Chen , Jingbo Zhou , Fan Wang , Xue Liu , Dejing Dou

Protein structure reconstruction from Nuclear Magnetic Resonance (NMR) experiments largely relies on computational algorithms. Recently, some effective low-rank matrix completion (MC) methods, such as ASD and ScaledASD, have been…

生物物理 · 物理学 2018-09-24 Z. Li , S. Li , X. Wei , X. Peng , Q. Zhao

Table Structure Recognition (TSR) is a widely discussed task aiming at transforming unstructured table images into structured formats, such as HTML sequences, to make text-only models, such as ChatGPT, that can further process these tables.…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

Transformation of protein 3D structures from their all-atom representation (AAR) to the double-centroid reduced representation (DCRR) is a prerequisite to the implementation of both the tetrahedral three-dimensional search motif (3D SM)…

生物大分子 · 定量生物学 2015-12-02 Vicente M. Reyes

This work reports a new methodology aimed at describing characteristics of protein structural shapes, and suggests a framework in which to resolve or classify automatically such structures into known families. This new approach to protein…