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- EMDB-21147: Cryo-EM structure of the Glucagon-like peptide-1 receptor in comp... -
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Basic information
Entry | Database: EMDB / ID: EMD-21147 | |||||||||
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Title | Cryo-EM structure of the Glucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator | |||||||||
![]() | Glucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator | |||||||||
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![]() | G protein-coupled receptor / membrane protein / family B GPCR / diabetes / allosteric modulator / SIGNALING PROTEIN-MEMBRANE PROTEIN complex | |||||||||
Function / homology | ![]() glucagon receptor binding / glucagon-like peptide 1 receptor activity / glucagon receptor activity / protein kinase A signaling / hormone secretion / positive regulation of blood pressure / post-translational protein targeting to membrane, translocation / negative regulation of execution phase of apoptosis / feeding behavior / response to psychosocial stress ...glucagon receptor binding / glucagon-like peptide 1 receptor activity / glucagon receptor activity / protein kinase A signaling / hormone secretion / positive regulation of blood pressure / post-translational protein targeting to membrane, translocation / negative regulation of execution phase of apoptosis / feeding behavior / response to psychosocial stress / regulation of heart contraction / positive regulation of calcium ion import / peptide hormone binding / PKA activation in glucagon signalling / developmental growth / Synthesis, secretion, and deacylation of Ghrelin / hair follicle placode formation / D1 dopamine receptor binding / positive regulation of insulin secretion involved in cellular response to glucose stimulus / intracellular transport / vascular endothelial cell response to laminar fluid shear stress / renal water homeostasis / activation of adenylate cyclase activity / Hedgehog 'off' state / adenylate cyclase-activating adrenergic receptor signaling pathway / negative regulation of blood pressure / positive regulation of gluconeogenesis / cellular response to glucagon stimulus / regulation of insulin secretion / adenylate cyclase activator activity / trans-Golgi network membrane / response to activity / gluconeogenesis / negative regulation of inflammatory response to antigenic stimulus / hormone activity / bone development / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / platelet aggregation / Olfactory Signaling Pathway / Activation of the phototransduction cascade / cognition / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / adenylate cyclase-activating G protein-coupled receptor signaling pathway / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / photoreceptor disc membrane / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / sensory perception of smell / adenylate cyclase-activating dopamine receptor signaling pathway / transmembrane signaling receptor activity / GPER1 signaling / Inactivation, recovery and regulation of the phototransduction cascade / cellular response to prostaglandin E stimulus / glucose homeostasis / G-protein beta-subunit binding / heterotrimeric G-protein complex / G alpha (12/13) signalling events / sensory perception of taste / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / positive regulation of cold-induced thermogenesis / retina development in camera-type eye / G protein activity / positive regulation of cytosolic calcium ion concentration / GTPase binding / Ca2+ pathway / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / secretory granule lumen / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / G alpha (q) signalling events / Ras protein signal transduction / learning or memory / Extra-nuclear estrogen signaling / cell population proliferation Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.3 Å | |||||||||
![]() | Sun B / Feng D | |||||||||
![]() | ![]() Title: Structural insights into probe-dependent positive allosterism of the GLP-1 receptor. Authors: Ana B Bueno / Bingfa Sun / Francis S Willard / Dan Feng / Joseph D Ho / David B Wainscott / Aaron D Showalter / Michal Vieth / Qi Chen / Cynthia Stutsman / Betty Chau / James Ficorilli / ...Authors: Ana B Bueno / Bingfa Sun / Francis S Willard / Dan Feng / Joseph D Ho / David B Wainscott / Aaron D Showalter / Michal Vieth / Qi Chen / Cynthia Stutsman / Betty Chau / James Ficorilli / Francisco J Agejas / Graham R Cumming / Alma Jiménez / Isabel Rojo / Tong Sun Kobilka / Brian K Kobilka / Kyle W Sloop / ![]() ![]() Abstract: Drugs that promote the association of protein complexes are an emerging therapeutic strategy. We report discovery of a G protein-coupled receptor (GPCR) ligand that stabilizes an active state ...Drugs that promote the association of protein complexes are an emerging therapeutic strategy. We report discovery of a G protein-coupled receptor (GPCR) ligand that stabilizes an active state conformation by cooperatively binding both the receptor and orthosteric ligand, thereby acting as a 'molecular glue'. LSN3160440 is a positive allosteric modulator of the GLP-1R optimized to increase the affinity and efficacy of GLP-1(9-36), a proteolytic product of GLP-1(7-36). The compound enhances insulin secretion in a glucose-, ligand- and GLP-1R-dependent manner. Cryo-electron microscopy determined the structure of the GLP-1R bound to LSN3160440 in complex with GLP-1 and heterotrimeric G. The modulator binds high in the helical bundle at an interface between TM1 and TM2, allowing access to the peptide ligand. Pharmacological characterization showed strong probe dependence of LSN3160440 for GLP-1(9-36) versus oxyntomodulin that is driven by a single residue. Our findings expand protein-protein modulation drug discovery to uncompetitive, active state stabilizers for peptide hormone receptors. | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 49.3 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 20.2 KB 20.2 KB | Display Display | ![]() |
Images | ![]() | 43.7 KB | ||
Filedesc metadata | ![]() | 7.1 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 540.1 KB | Display | ![]() |
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Full document | ![]() | 539.7 KB | Display | |
Data in XML | ![]() | 5.9 KB | Display | |
Data in CIF | ![]() | 6.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6vcbMC M: atomic model generated by this map C: citing same article ( |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Annotation | Glucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.04 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
+Entire : Cryo-EM structure of the Glucagon-like peptide-1 receptor in comp...
+Supramolecule #1: Cryo-EM structure of the Glucagon-like peptide-1 receptor in comp...
+Supramolecule #3: Guanine nucleotide-binding protein G(s) subunit alpha isoforms sh...
+Supramolecule #2: Glucagon-like peptide 1 receptor, Glucagon-like peptide 1
+Supramolecule #4: Nanobody 35
+Macromolecule #1: Glucagon-like peptide 1 receptor
+Macromolecule #2: Glucagon-like peptide 1
+Macromolecule #3: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
+Macromolecule #4: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
+Macromolecule #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
+Macromolecule #6: Nanobody 35
+Macromolecule #7: 1-[(1R)-1-(2,6-dichloro-3-methoxyphenyl)ethyl]-6-{2-[(2R)-piperid...
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 10 mg/mL |
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Buffer | pH: 7.5 |
Grid | Model: Quantifoil, UltrAuFoil, R1.2/1.3 / Material: GOLD / Mesh: 200 |
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 293 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Specialist optics | Energy filter - Name: GIF Quantum LS / Energy filter - Slit width: 20 eV |
Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average exposure time: 10.8 sec. / Average electron dose: 81.56 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
Startup model | Type of model: EMDB MAP EMDB ID: |
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Final reconstruction | Applied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.0) / Number images used: 323427 |
Initial angle assignment | Type: NOT APPLICABLE |
Final angle assignment | Type: NOT APPLICABLE |
-Atomic model buiding 1
Initial model | PDB ID: Chain - Source name: PDB / Chain - Initial model type: experimental model |
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Refinement | Protocol: FLEXIBLE FIT / Overall B value: 72.5 |
Output model | ![]() PDB-6vcb: |