Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A, agonists used in this study. B, illustration of amide-to-ester mutation. Introduction of an α-hydroxy acid in place of an amino acid eliminates the hydrogen bond donor (backbone NH) of the i residue and attenuates the hydrogen bond-accepting ability of the i−1 carbonyl. The attenuated hydrogen bond is represented by dashed lines.
