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A Convolutional Neural Network-Based Approach for the Rapid Annotation of Molecularly Diverse Natural Products

Open access
Reher, Raphael, Kim, Hyun Woo, Zhang, Chen, Mao, Huanru Henry, Wang, Mingxun, Nothias, Louis-Félix, Caraballo-Rodriguez, Andres Mauricio, Glukhov, Evgenia, Teke, Bahar, Leao, Tiago, Alexander, Kelsey L., Duggan, Brendan M., Van Everbroeck, Ezra L., Dorrestein, Pieter C., Cottrell, Garrison W., Gerwick, William H.·2020·Journal of the American Chemical Society

Abstract

This report describes the first application of the novel NMR-based machine learning tool “Small Molecule Accurate Recognition Technology” (SMART 2.0) for mixture analysis and subsequent accelerated discovery and characterization of new natural products. The concept was applied to the extract of a filamentous marine cyanobacterium known to be a prolific producer of cytotoxic natural products. This environmental Symploca extract was roughly fractionated, and then prioritized and guided by cancer cell cytotoxicity, NMR-based SMART 2.0, and MS 2 -based molecular networking. This led to the isolation and rapid identification of a new chimeric swinholide-like macrolide, symplocolide A, as well as the annotation of swinholide A, samholides A–I, and several new derivatives. The planar structure of symplocolide A was confirmed to be a structural hybrid between swinholide A and luminaolide B by 1D/2D NMR and LC-MS 2 analysis. A second example applies SMART 2.0 to the characterization of structurally novel cyclic peptides, and compares this approach to the recently appearing “atomic sort” method. This study exemplifies the revolutionary potential of combined traditional and deep learning-assisted analytical approaches to overcome longstanding challenges in natural products drug discovery.

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Metadata

Authors
Reher, R., Kim, H. W., Zhang, C., Mao, H. H., Wang, M., Nothias, L.-F., Caraballo-Rodriguez, A. M., Glukhov, E., Teke, B., Leao, T., Alexander, K. L., Duggan, B. M., Van Everbroeck, E. L., Dorrestein, P. C., Cottrell, G. W., & Gerwick, W. H.
Venue
Journal of the American Chemical Society
Published
2020-02-11
Volume
142
Issue
9
Pages
4114-4120
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W3006044405
Cited by
215
References
5
FWCI
13.39
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: A Convolutional Neural Network-Based Approach for the Rapid Annotation of Molecularly Diverse Natural Products. https://app.cochat.ai/papers/10.1021/jacs.9b13786
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Reher, R., Kim, H. W., Zhang, C., Mao, H. H., Wang, M., Nothias, L.-F., Caraballo-Rodriguez, A. M., Glukhov, E., Teke, B., Leao, T., Alexander, K. L., Duggan, B. M., Van Everbroeck, E. L., Dorrestein, P. C., Cottrell, G. W., & Gerwick, W. H. (2020). A Convolutional Neural Network-Based Approach for the Rapid Annotation of Molecularly Diverse Natural Products. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.9b13786

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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