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. 2021 Mar 10;12:1563. doi: 10.1038/s41467-021-21853-6

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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. 4 — a EpCAS activity was inhibited by Phenylmethylsulfonyl fluoride (PMSF) in a dose-dependent manner. b Site-directed mutagenesis of Ser-His-Asp catalytic triad. Ser180 is necessary for the acyltransferase activity of EpCAS. Data are mean±s.d. (n = 3 independent experiments). Different letters in a and b indicate significantly different values at P < 0.05 analyzed by one-way ANOVA with Tukey’s multiple comparisons test. c Molecular docking of Ser-His-Asp catalytic triad with chicoric acid. Source data underlying a and b are provided as a Source Data file.