In computational chemistry, molecules are often represented as molecular graphs, which must be converted into multidimensional vectors for processing, particularly in machine learning applications. This is achieved using molecular fingerprint feature extraction algorithms that encode molecular structures as vectors. These fingerprints are crucial for tasks in chemoinformatics, such as chemical space diversity, clustering, virtual screening, and molecular property prediction. While Python’s scikit-learn library is widely used for machine learning tasks due to its intuitive API, popular open-source tools like CDK, OpenBabel, and RDKit, which compute molecular fingerprints, are primarily written in Java or C++ and lack compatibility with scikit-learn’s API.
Researchers from AGH University of Krakow have developed scikit-fingerprints, a Python package designed for computing molecular fingerprints in chemoinformatics. This library provides an interface compatible with scikit-learn, facilitating easy integration into machine learning pipelines. It features optimized parallel computation, making it efficient for processing large molecular datasets. scikit-fingerprints include over 30 types of molecular fingerprints, both 2D (based on molecular graph topology) and 3D (utilizing spatial structure), positioning it as the most comprehensive library available in the Python ecosystem. The library is open source and accessible on PyPI and GitHub.
Scikit-fingerprints is a Python package designed for computing molecular fingerprints and optimized for chemoinformatics and machine learning workflows. It integrates with scikit-learn, ensuring easy incorporation into ML pipelines and providing parallel processing capabilities for large datasets. The package includes over 30 fingerprint types and supports 2D and 3D representations. Key features include parallel and distributed computing with Joblib and Dask, preprocessing utilities for converting and standardizing molecular data, and efficient dataset loading through HuggingFace Hub. The code adheres to high-quality standards with extensive testing, security checks, and CI/CD practices.
Scikit-fingerprints, a Python package for computing molecular fingerprints, offers advanced parallel computation capabilities, significantly speeding up the process for large datasets. For instance, using 16 cores, fingerprint computation time decreases nearly proportionally with the number of cores, showcasing near-ideal parallelism. Sparse matrix support optimizes memory usage, significantly reducing storage requirements for large datasets like PCBA. The package simplifies molecular property prediction and fingerprint hyperparameter tuning, improving performance on various benchmarks. It also supports complex 3D fingerprint pipelines and outperforms existing tools regarding the number of fingerprints, parallelism, and integrated datasets.
Scikit-fingerprints offers a robust library for computing molecular fingerprints with over 30 options, both 2D and 3D. Its scikit-learn compatible interface facilitates integration into complex data processing pipelines. The library’s efficient parallel computation accelerates handling large datasets, which is crucial for tasks like virtual screening and hyperparameter tuning. Its intuitive API supports users with varying programming expertise, such as computational chemists and molecular biologists. The library’s extensible architecture, high code quality, and active community involvement demonstrate its relevance and usability. It is already being used in research for molecular property prediction and pesticide toxicity studies.
In conclusion, scikit-fingerprints is an advanced open-source Python library designed for computing molecular fingerprints, fully compatible with the scikit-learn API. It is the most feature-rich library in the Python ecosystem, supporting over 30 different fingerprints and offering efficient parallel computation for handling large datasets. The library is optimized for chemoinformatics, de novo drug design, and computational molecular chemistry, enabling faster and more comprehensive experiments. With a focus on high code quality, maintainability, and security, scikit-fingerprints provide a definitive solution for molecular fingerprint computation, simplifying tasks such as molecular property prediction and virtual screening.
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The post Scikit-fingerprints: An Advanced Python Library for Efficient Molecular Fingerprint Computation and Integration with Machine Learning Pipelines appeared first on MarkTechPost.
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