The Natural Products Atlas 2.0 : a database of microbially-derived natural products

van Santen, Jeffrey A. and Poynton, Ella F. and Iskakova, Dasha and McMann, Emily and Alsup, Tyler A. and Clark, Trevor N. and Fergusson, Claire H and Fewer, David P and Hughes, Alison H. and McCadden, Caitlin A. and Parra, Jonathan and Soldatou, Sylvia and Rudolf, Jeffrey D and Janssen, Elisabeth M.-L. and Duncan, Katherine R. and Linington, Roger G. (2022) The Natural Products Atlas 2.0 : a database of microbially-derived natural products. Nucleic Acids Research, 50 (D1). D1317-D1323. ISSN 0305-1048 (

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Within the natural products field there is an increasing emphasis on the study of compounds from microbial sources. This has been fuelled by interest in the central role that microorganisms play in mediating both interspecies interactions and host-microbe relationships. To support the study of natural products chemistry produced by microorganisms we released the Natural Products Atlas, a database of known microbial natural products structures, in 2019. This paper reports the release of a new version of the database which includes a full RESTful application programming interface (API), a new website framework, and an expanded database that includes 8128 new compounds, bringing the total to 32 552. In addition to these structural and content changes we have added full taxonomic descriptions for all microbial taxa and have added chemical ontology terms from both NP Classifier and ClassyFire. We have also performed manual curation to review all entries with incomplete configurational assignments and have integrated data from external resources, including CyanoMetDB. Finally, we have improved the user experience by updating the Overview dashboard and creating a dashboard for taxonomic origin. The database can be accessed via the new interactive website at