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. 2020 Jun 4;129:110337. doi: 10.1016/j.biopha.2020.110337

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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. 2 — (A) Genome sequencing and codon positions of structural proteins in the novel Coronavirus, SARS-CoV and MERS-CoV. (B) Compare and evaluate the structure of Spike protein and position RBD, receptor-binding domain; RBM, receptor-binding motif; HR1 / 2, heptad repeat 1/2 in SARS-CoV and COVID-19.