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. 2020 Oct 16;7:583523. doi: 10.3389/fmolb.2020.583523

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Copyright © 2020 Rath and Kumar.

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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The conformations of receptor binding motif. The time averaged structures of the Spike protein showing the open and closed conformations of the receptor binding domain at (A) 30°C and (B) 70°C. The residues on the Receptor binding motif (shown as sticks and colored by CPK) are buried at the interchain interface at high temperatures but readily exposes its residues at 30°C. (C,D) show the open and closed conformations of the receptor binding domain at (A) 30°C and (B) 70°C in surf mode. The receptor binding motif is colored in magenta and the receptor binding domain is shown in white.