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. 2020 Dec 11;7:601753. doi: 10.3389/fmolb.2020.601753

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Copyright © 2020 Chourasia, Padhi, Chiring Phukon, Abedin, Singh and Rai.

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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KFVPKQPNMIL interaction with 3CL^pro of SARS-CoV (A), MERS-CoV (B), and HCoV-HKU1 (C). 3D illustration of complex between KFVPKQPNMIL-SARS-CoV 3CL^pro (A1), KFVPKQPNMIL-MERS-CoV 3CL^pro (B1), and KFVPKQPNMIL-HCoV-HKU1 3CL^pro (C1). 3CL^pro surface is represented by H-bond donor and acceptor atoms. 2D representation of different bonds formed during KFVPKQPNMIL interaction with 3CL^pro of SARS-CoV (A2), MERS-CoV (B2), and HCoV-HKU1 (C2).