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. 2021 Jan 14;11:603830. doi: 10.3389/fphar.2020.603830

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Copyright © 2021 Liang, Qiu, Niu, Ma, Zhou, Chen, Zhang, Chen, Yang, Liu and Li.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Schematic representation of the molecular mechanisms of HP-OVA against SARS-CoV-2 infection. HP-OVA binds to both the S protein of SARS-CoV-2 and host angiotensin-converting enzyme 2 (ACE2), the functional receptor of SARS-CoV-2, and disrupts the S protein-ACE2 interaction, thereby exhibiting inhibitory activity against SARS-CoV-2 infection.