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. Author manuscript; available in PMC: 2024 Jun 7.
Published in final edited form as: J Am Chem Soc. 2023 May 26;145(22):12105–12114. doi: 10.1021/jacs.3c01628

Table 4.

Inhibition of GLP-1-stimulated cAMP production by GLE analogues.

GLP-1R cAMP
Production Inhibition
Peptide IC50 (nM) IC50 relative
Ex(9-39) 16 1
GLE L-Ala 330 21
GLE (S,S)-ACPC 23 1
GLE (R,R)-ACPC 150 9
GLE β-hGly 280 18

IC50 values are the average of 4 independent experiments. IC50 relative indicates the GLE analogue’s ability to inhibit GLP-1-stimulated cAMP production normalized to the inhibition by Ex(9-39): (GLE analogue/Ex(9-39)).