2n0i

NMR solution structure for di-sulfide 11mer peptide

spinqualitylabelsall models 2n0i Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2n0i is a 1 chain structure. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solution NMR, 15 models Ligands: HCS, KCY, NH2, PH8 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Cyclic constraints are incorporated here into an 11-residue analogue of the N-terminus of glucagon-like peptide-1 (GLP-1) to investigate effects of structure on agonist activity. Cyclization through linking side chains of residues 2 and 5 or 5 and 9 produced agonists at nM concentrations in a cAMP assay. 2D-NMR and CD spectra revealed an N-terminal beta-turn and a C-terminal helix that differentially influenced affinity and agonist potency. These structures can inform development of small molecule agonists of the GLP-1 receptor to treat type 2 diabetes. Short hydrophobic peptides with cyclic constraints are potent glucagon-like peptide-1 receptor (GLP-1R) agonists.,Hoang HN, Song K, Hill TA, Derksen DR, Edmonds DJ, Kok WM, Limberakis C, Liras S, Loria PM, Mascitti V, Mathiowetz AM, Mitchell JM, Piotrowski DW, Price DA, Stanton RV, Suen JY, Withka JM, Griffith DA, Fairlie DP J Med Chem. 2015 Apr 3. PMID:25839426 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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