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DNA-Encoded Library (DEL) has proven to be a powerful tool that utilizes combinatorially constructed small molecules to facilitate highly-efficient screening assays. These selection experiments, involving multiple stages of washing,…

Quantitative Methods · Quantitative Biology 2024-02-14 Benson Chen , Mohammad M. Sultan , Theofanis Karaletsos

DNA encoded libraries (DELs) are used for rapid large-scale screening of small molecules against a protein target. These combinatorial libraries are built through several cycles of chemistry and DNA ligation, producing large sets of…

DNA-encoded library (DEL) screening has revolutionized the detection of protein-ligand interactions through read counts, enabling rapid exploration of vast chemical spaces. However, noise in read counts, stemming from nonspecific…

Machine Learning · Computer Science 2024-12-05 Hanqun Cao , Mutian He , Ning Ma , Chang-yu Hsieh , Chunbin Gu , Pheng-Ann Heng

DNA-encoded small molecule libraries (DELs) have enabled discovery of novel inhibitors for many distinct protein targets of therapeutic value through screening of libraries with up to billions of unique small molecules. We demonstrate a new…

DNA-Encoded Library (DEL) technology has enabled significant advances in hit identification by enabling efficient testing of combinatorially-generated molecular libraries. DEL screens measure protein binding affinity though sequencing reads…

Quantitative Methods · Quantitative Biology 2022-12-16 Kirill Shmilovich , Benson Chen , Theofanis Karaletsos , Mohammad M. Sultan

In the realm of drug discovery, DNA-encoded library (DEL) screening technology has emerged as an efficient method for identifying high-affinity compounds. However, DEL screening faces a significant challenge: noise arising from nonspecific…

Quantitative Methods · Quantitative Biology 2024-09-11 Chunbin Gu , Mutian He , Hanqun Cao , Guangyong Chen , Chang-yu Hsieh , Pheng Ann Heng

Supervised learning models, also known as quantitative structure-activity regression (QSAR) models, are increasingly used in assisting the process of preclinical, small molecule drug discovery. The models are trained on data consisting of a…

Applications · Statistics 2020-01-08 Oliver P Watson , Isidro Cortes-Ciriano , James A Watson

DNA-Encoded Libraries (DELs) represent a transformative technology in drug discovery, facilitating the high-throughput exploration of vast chemical spaces. Despite their potential, the scarcity of publicly available DEL datasets presents a…

We investigate the learning of quantitative structure activity relationships (QSARs) as a case-study of meta-learning. This application area is of the highest societal importance, as it is a key step in the development of new medicines. The…

Artificial Intelligence · Computer Science 2017-09-13 Ivan Olier , Noureddin Sadawi , G. Richard Bickerton , Joaquin Vanschoren , Crina Grosan , Larisa Soldatova , Ross D. King

The success of machine learning in drug discovery hinges on learning the relationship between a chemical structure and its biological activity. While DNA-Encoded Library (DEL) technology can generate the massive datasets required for this…

Biomolecules · Quantitative Biology 2026-05-11 Mutian He , Hanqun Cao , Cheng Tan , Zijun Gao , Xiaojun Yao , Chunbin Gu , Pheng-Ann Heng

Chemists have been pursuing the general mathematical laws to explain and predict molecular properties for a long time. However, most of the traditional quantitative structure-activity relationship (QSAR) models have limited application…

Chemical Physics · Physics 2023-05-30 Lu Xu , Qin Yang

Quantitative structure-activity relationship (QSAR) modelling is effective 'bridge' to search the reliable relationship related bioactivity to molecular structure. A QSAR classification model contains a lager number of redundant, noisy and…

Machine Learning · Computer Science 2018-05-01 Liang-Yong Xia , Qing-Yong Wang

Qualitative structure-activity relationship (QSAR) is important for drug discovery and offers valuable insights into the biological interactions of potential drug candidates. It has been demonstrated that QSAR can be accurately predicted by…

Quantum Physics · Physics 2025-01-24 Wei-Yin Chiang , Po-Yu Kao , Tzu-Lan Yeh , Ya-Chu Yang , Yen-Chu Lin , Alex Zhavoronkov

Recently deep learning based quantitative structure-activity relationship (QSAR) models has shown surpassing performance than traditional methods for property prediction tasks in drug discovery. However, most DL based QSAR models are…

Biomolecules · Quantitative Biology 2023-04-25 Zhifeng Gao , Xiaohong Ji , Guojiang Zhao , Hongshuai Wang , Hang Zheng , Guolin Ke , Linfeng Zhang

The Dark Energy Spectroscopic Instrument (DESI) survey uses an automatic spectral classification pipeline to classify spectra. QuasarNET is a convolutional neural network used as part of this pipeline originally trained using data from the…

Machine-learning interatomic potentials (MLIPs) have enabled molecular dynamics at near ab initio accuracy, yet remain limited to energies and forces by construction, leaving electronic observables such as dipole moments and…

Dense regression is a widely used approach in computer vision for tasks such as image super-resolution, enhancement, depth estimation, etc. However, the high cost of annotation and labeling makes it challenging to achieve accurate results.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Vikrant Rangnekar , Uddeshya Upadhyay , Zeynep Akata , Biplab Banerjee

Quantitative structure-activity relationship (QSAR) is a computer modeling technique for identifying relationships between the structural properties of chemical compounds and biological activity. QSAR modeling is necessary for drug…

Machine Learning · Computer Science 2024-06-19 Rifkat Davronova , Fatima Adilovab

The trade-off between predictive accuracy and data availability makes it difficult to predict protein--protein binding affinity accurately. The lack of experimentally resolved protein structures limits the performance of structure-based…

Machine Learning · Computer Science 2026-01-08 Wajid Arshad Abbasi , Syed Ali Abbas , Maryum Bibi , Saiqa Andleeb , Muhammad Naveed Akhtar

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
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