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Can Semaglutide Bind Tighter to GLP-1R?

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Wei Li  *

This version is not peer-reviewed

Submitted:

23 July 2020

Posted:

24 July 2020

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Abstract
Semaglutide is a glucagon-like peptide 1 analog used for the treatment of patients with type 2 diabetes mellitus. With 94% sequence similarity to human GLP-1, semaglutide is a glucagon-like peptide-1 receptor (GLP-1R) agonist, which binds directly to GLP-1R, causing various beneficial downstream effects that reduce blood glucose. Practically, it is favourable for semaglutide to bind not just directly, but also tighter, to its receptor GLP-1R. Therefore, incorporating currently available experimental structural data of semaglutide-GLP-1R, this short article reports for the first time that biophysically, semaglutide is able to bind tighter to GLP-1R with just a simple Val27-Arg28 exchange in its peptide backbone.
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Subject: Biology and Life Sciences  -   Biophysics
Copyright: This open access article is published under a Creative Commons CC BY 4.0 license, which permit the free download, distribution, and reuse, provided that the author and preprint are cited in any reuse.
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