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. 2020 May 26;11:2644. doi: 10.1038/s41467-020-16341-2

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© The Author(s) 2020

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 — Arrhenius plots of ΔG^‡/T vs. 1/T for the catalyzed reactions in (a) AHA and PPA and (b) for the reference reaction in water. Linear regression fits from which thermodynamic parameters are calculated are denoted by dashed lines. c Calculated temperature dependence of the relative rate constants k_cat for AHA (blue) and PPA (red). The s.e.m. for the calculated free energy barriers is 0.08–0.14 kcal mol⁻¹ (from ~300 replicate simulations).