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Related papers: p2smi: A Python Toolkit for Peptide FASTA-to-SMILE…

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Recent developments in path integral methodology have significantly reduced the computational expense of including quantum mechanical effects in the nuclear motion in ab initio molecular dynamics simulations. However, the implementation of…

Computational Physics · Physics 2014-02-06 Michele Ceriotti , Joshua More , David E. Manolopoulos

The discovery of novel materials and functional molecules can help to solve some of society's most urgent challenges, ranging from efficient energy harvesting and storage to uncovering novel pharmaceutical drug candidates. Traditionally…

Machine Learning · Computer Science 2020-11-06 Mario Krenn , Florian Häse , AkshatKumar Nigam , Pascal Friederich , Alán Aspuru-Guzik

Peptides play a crucial role in the drug design and discovery whether as a therapeutic modality or a delivery agent. Non-natural amino acids (NNAAs) have been used to enhance the peptide properties from binding affinity, plasma stability to…

We seek to automate the design of molecules based on specific chemical properties. Our primary contributions are a simpler method for generating SMILES strings guaranteed to be chemically valid, using a combination of a new context-free…

Machine Learning · Computer Science 2018-11-29 Egor Kraev

We present MXtalTools, a flexible Python package for the data-driven modelling of molecular crystals, facilitating machine learning studies of the molecular solid state. MXtalTools comprises several classes of utilities: (1) synthesis,…

Machine Learning · Computer Science 2025-11-26 Michael Kilgour , Mark E. Tuckerman , Jutta Rogal

Molecular property prediction has attracted substantial attention recently. Accurate prediction of drug properties relies heavily on effective molecular representations. The structures of chemical compounds are commonly represented as…

Machine Learning · Computer Science 2025-08-05 Anyin Zhao , Zuquan Chen , Zhengyu Fang , Xiaoge Zhang , Jing Li

SparseChem provides fast and accurate machine learning models for biochemical applications. Especially, the package supports very high-dimensional sparse inputs, e.g., millions of features and millions of compounds. It is possible to train…

Machine Learning · Statistics 2022-03-10 Adam Arany , Jaak Simm , Martijn Oldenhof , Yves Moreau

Retrosynthesis prediction is fundamental to drug discovery and chemical synthesis, requiring the identification of reactants that can produce a target molecule. Current template-free methods struggle to capture the structural invariance…

Machine Learning · Computer Science 2025-10-21 Jiaxi Zhuang , Yu Zhang , Aimin Zhou , Ying Qian

De novo peptide sequencing aims to recover amino acid sequences of a peptide from tandem mass spectrometry (MS) data. Existing approaches for de novo analysis enumerate MS evidence for all amino acid classes during inference. It leads to…

Quantitative Methods · Quantitative Biology 2022-03-25 Yan Yang , Zakir Hossain , Khandaker Asif , Liyuan Pan , Shafin Rahman , Eric Stone

PypeIt is a Python package for semi-automated reduction of astronomical, spectroscopic data. Its algorithms build on decades-long development of previous data reduction pipelines by the developers (Bernstein, Burles, & Prochaska, 2015;…

Instrumentation and Methods for Astrophysics · Physics 2020-05-20 J. Xavier Prochaska , Joseph F. Hennawi , Kyle B. Westfall , Ryan J. Cooke , Feige Wang , Tiffany Hsyu , Frederick B. Davies , Emanuele Paolo Farina

Peptoids (N-substituted glycines) are a class of sequence-defined synthetic peptidomimetic polymers with applications including drug delivery, catalysis, and biomimicry. Classical molecular simulations have been used to predict and…

Soft Condensed Matter · Physics 2024-09-11 Alex Berlaga , Kaylyn Torkelson , Aniruddha Seal , Jim Pfaendtner , Andrew L. Ferguson

Molecular dynamics simulations are an essential tool in understanding protein structure, dynamics, and function at the atomic level. However, preparing high quality input files for MD simulations can be a time consuming and error prone…

Computation and Language · Computer Science 2025-07-11 Achuth Chandrasekhar , Amir Barati Farimani

Language models demonstrate fundamental abilities in syntax, semantics, and reasoning, though their performance often depends significantly on the inputs they process. This study introduces TSIS (Simplified TSID) and its variants:TSISD…

Artificial Intelligence · Computer Science 2024-11-19 Juan-Ni Wu , Tong Wang , Li-Juan Tang , Hai-Long Wu , Ru-Qin Yu

In molecular structure data, SMILES (Simplified Molecular Input Line Entry System) strings are used to analyze molecular structure design. Numerical feature representation of SMILES strings is a challenging task. This work proposes a…

Machine Learning · Computer Science 2024-12-20 Sarwan Ali , Haris Mansoor , Prakash Chourasia , Imdad Ullah Khan , Murray Patterson

Peptides, short chains of amino acid residues, play a vital role in numerous biological processes by interacting with other target molecules, offering substantial potential in drug discovery. In this work, we present PepFlow, the first…

Biomolecules · Quantitative Biology 2024-06-04 Jiahan Li , Chaoran Cheng , Zuofan Wu , Ruihan Guo , Shitong Luo , Zhizhou Ren , Jian Peng , Jianzhu Ma

In the field of chemical structure recognition, the task of converting molecular images into machine-readable data formats such as SMILES string stands as a significant challenge, primarily due to the varied drawing styles and conventions…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Yufan Chen , Ching Ting Leung , Yong Huang , Jianwei Sun , Hao Chen , Hanyu Gao

We present SMILES-embeddings derived from the internal encoder state of a Transformer [1] model trained to canonize SMILES as a Seq2Seq problem. Using a CharNN [2] architecture upon the embeddings results in higher quality interpretable…

Quantitative Methods · Quantitative Biology 2020-09-23 Pavel Karpov , Guillaume Godin , Igor V. Tetko

The Python package pylimer-tools is a comprehensive toolkit for computational studies of polymer networks, particularly bead-spring networks. The package provides functionality to generate polymer networks using Monte Carlo (MC) procedures…

Soft Condensed Matter · Physics 2025-08-18 Tim Bernhard , Fabian Schwarz , Andrei A. Gusev

Crystal Toolkit is an open source tool for viewing, analyzing and transforming crystal structures, molecules and other common forms of materials science data in an interactive way. It is intended to help beginners rapidly develop web-based…

Structural Equation Modeling (SEM) is an umbrella term that includes numerous multivariate statistical techniques that are employed throughout a plethora of research areas, ranging from social to natural sciences. Until recently, SEM…

Applications · Statistics 2021-06-10 Georgy Meshcheryakov , Anna A. Igolkina , Maria G. Samsonova
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