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. 2021 Apr 24;6:165. doi: 10.1038/s41392-021-00568-6

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — CVL218 binds to the nucleocapsid protein of SARS-CoV-2 (SARS-CoV-2-N). a–e Kinetic analyses of the binding between SARS-CoV-2-N and the tested drugs, including CVL218 (a), PJ-34 (b), olaparib (c), remdesivir (d), and arbidol (e), measured by a SPR-based Biacore instrument. The derived dissociation constants between SARS-CoV-2-N and the tested drugs (CVL218 and PJ-34) are also shown