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. 2020 Oct 14;13(12):1868–1877. doi: 10.1016/j.jiph.2020.09.015

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© 2020 The Authors

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Fig. 6 — 3D Pose 9 cascade of embelin. H(Cys145) interacts with O(carbonyl-His164), 2.882 Å, S(Cys145) points to the quinone centroid, 3.679 Å, whereas H(imidazole-His163) establishes a H-bond with one O(carbonyl) quinone, 1.859 Å.