English
Related papers

Related papers: DePS: An improved deep learning model for de novo …

200 papers

High-quality training datasets are crucial for the development of effective protein design models, but existing synthetic datasets often include unfavorable sequence-structure pairs, impairing generative model performance. We leverage…

Nanopore resistive pulse sensors are emerging technologies for single-molecule protein sequencing. But they can hardly detect small post-translational modifications (PTMs) such as hydroxylation in single-molecule level. While a combination…

Quantitative Methods · Quantitative Biology 2024-01-09 Mulusew W. Yaltaye , Yingqi Zhao , Eva Bozo , Pei-Lin Xin , Vahid Farrah , Francesco De Angelis , Jian-An Huang

The inapplicability of amino acid covariation methods to small protein families has limited their use for structural annotation of whole genomes. Recently, deep learning has shown promise in allowing accurate residue-residue contact…

Biomolecules · Quantitative Biology 2019-09-10 Joe G Greener , Shaun M Kandathil , David T Jones

De novo design of molecules has recently enjoyed the power of generative deep neural networks. Current approaches aim to generate molecules either resembling the properties of the molecules of the training set or molecules that are…

Biomolecules · Quantitative Biology 2020-11-02 Ahmadreza Ghanbarpour , Markus A. Lill

Protein identification is one of the major task of Proteomics researchers. Protein identification could be resumed by searching the best match between an experimental mass spectrum and proteins from a database. Nevertheless this approach…

Biomolecules · Quantitative Biology 2008-12-18 Jean-Charles Boisson , Laetitia Jourdan , El-Ghazali Talbi

Motivation: Tumor classification using Imaging Mass Spectrometry (IMS) data has a high potential for future applications in pathology. Due to the complexity and size of the data, automated feature extraction and classification steps are…

Machine Learning · Statistics 2018-06-28 Jens Behrmann , Christian Etmann , Tobias Boskamp , Rita Casadonte , Jörg Kriegsmann , Peter Maass

In spectroscopic experiments, data acquisition in multi-dimensional phase space may require long acquisition time, owing to the large phase space volume to be covered. In such case, the limited time available for data acquisition can be a…

Recently developed deep learning techniques have significantly improved the accuracy of various speech and image recognition systems. In this paper we adapt some of these techniques for protein secondary structure prediction. We first train…

Machine Learning · Computer Science 2016-11-07 Akosua Busia , Jasmine Collins , Navdeep Jaitly

Representation learning for proteins has primarily focused on the global understanding of protein sequences regardless of their length. However, shorter proteins (known as peptides) take on distinct structures and functions compared to…

Quantitative Methods · Quantitative Biology 2022-11-15 Gil Sadeh , Zichen Wang , Jasleen Grewal , Huzefa Rangwala , Layne Price

MOTIVATION: Proteins fold into complex structures that are crucial for their biological functions. Experimental determination of protein structures is costly and therefore limited to a small fraction of all known proteins. Hence, different…

Biomolecules · Quantitative Biology 2018-04-18 David Menéndez Hurtado , Karolis Uziela , Arne Elofsson

Mass spectrometry (MS) stands as a cornerstone analytical technique for molecular identification, yet de novo structure elucidation from spectra remains challenging due to the combinatorial complexity of chemical space and the inherent…

Machine Learning · Computer Science 2026-03-20 Jianan Nie , Peng Gao

A device capable of performing real time classification of proteins in a clinical setting would allow for inexpensive and rapid disease diagnosis. One such candidate for this technology are nanopore devices. These devices work by measuring…

Machine Learning · Computer Science 2025-09-18 Samuel Tovey , Julian Hoßbach , Sandro Kuppel , Tobias Ensslen , Jan C. Behrends , Christian Holm

Protein interactions are important in a broad range of biological processes. Traditionally, computational methods have been developed to automatically predict protein interface from hand-crafted features. Recent approaches employ deep…

Machine Learning · Computer Science 2020-07-21 Yi Liu , Hao Yuan , Lei Cai , Shuiwang Ji

Mass spectrometry provides a high-throughput approach to identify proteins in biological samples. A key step in the analysis of mass spectrometry data is to identify the peptide sequence that, most probably, gave rise to each observed…

Applications · Statistics 2013-01-14 Qunhua Li , Jimmy K. Eng , Matthew Stephens

This work introduces a method to tune a sequence-based generative model for molecular de novo design that through augmented episodic likelihood can learn to generate structures with certain specified desirable properties. We demonstrate how…

Artificial Intelligence · Computer Science 2017-08-30 Marcus Olivecrona , Thomas Blaschke , Ola Engkvist , Hongming Chen

De novo molecular design has facilitated the exploration of large chemical space to accelerate drug discovery. Structure-based de novo method can overcome the data scarcity of active ligands by incorporating drug-target interaction into…

Biomolecules · Quantitative Biology 2022-09-16 Yaqin Li , Lingli Li , Yongjin Xu , Yi Yu

Drug discovery projects entail cycles of design, synthesis, and testing that yield a series of chemically related small molecules whose properties, such as binding affinity to a given target protein, are progressively tailored to a…

Machine Learning · Computer Science 2020-02-10 Paul Maragakis , Hunter Nisonoff , Brian Cole , David E. Shaw

Deep learning has been widely used for protein engineering. However, it is limited by the lack of sufficient experimental data to train an accurate model for predicting the functional fitness of high-order mutants. Here, we develop SESNet,…

Quantitative Methods · Quantitative Biology 2023-04-10 Mingchen Li , Liqi Kang , Yi Xiong , Yu Guang Wang , Guisheng Fan , Pan Tan , Liang Hong

The potential of deep learning has been recognized in the protein structure prediction community for some time, and became indisputable after CASP13. In CASP14, deep learning has boosted the field to unanticipated levels reaching…

Biomolecules · Quantitative Biology 2021-09-14 Elodie Laine , Stephan Eismann , Arne Elofsson , Sergei Grudinin

Deep learning has advanced mass spectrometry data interpretation, yet most models remain feature extractors rather than unified scoring frameworks. We present pUniFind, the first large-scale multimodal pre-trained model in proteomics that…