Structural highlights
Function[GLP1R_HUMAN] This is a receptor for glucagon-like peptide 1. The activity of this receptor is mediated by G proteins which activate adenylyl cyclase. Publication Abstract from PubMedGlucagon-like peptide 1 (GLP-1) regulates glucose homeostasis through the control of insulin release from the pancreas. GLP-1 peptide agonists are efficacious drugs for the treatment of diabetes. To gain insight into the molecular mechanism of action of GLP-1 peptides, here we report the crystal structure of the full-length GLP-1 receptor bound to a truncated peptide agonist. The peptide agonist retains an alpha-helical conformation as it sits deep within the receptor-binding pocket. The arrangement of the transmembrane helices reveals hallmarks of an active conformation similar to that observed in class A receptors. Guided by this structural information, we design peptide agonists with potent in vivo activity in a mouse model of diabetes. Crystal structure of the GLP-1 receptor bound to a peptide agonist.,Jazayeri A, Rappas M, Brown AJH, Kean J, Errey JC, Robertson NJ, Fiez-Vandal C, Andrews SP, Congreve M, Bortolato A, Mason JS, Baig AH, Teobald I, Dore AS, Weir M, Cooke RM, Marshall FH Nature. 2017 Jun 8;546(7657):254-258. doi: 10.1038/nature22800. Epub 2017 May 31. PMID:28562585[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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