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- EMDB-47884: Peptide 2 (GLP-1 (ACPC18)) bound to GLP-1R/Gs complex (conformer 2) -
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Open data
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Basic information
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Title | Peptide 2 (GLP-1 (ACPC18)) bound to GLP-1R/Gs complex (conformer 2) | |||||||||||||||||||||||||||||||||
![]() | sharpened consensus map (rescaled) | |||||||||||||||||||||||||||||||||
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![]() | G protein / agonist / backbone / GLP-1 / glucagon / MEMBRANE PROTEIN | |||||||||||||||||||||||||||||||||
Function / homology | ![]() glucagon-like peptide 1 receptor activity / glucagon receptor activity / hormone secretion / positive regulation of blood pressure / post-translational protein targeting to membrane, translocation / response to psychosocial stress / regulation of heart contraction / peptide hormone binding / PKA activation in glucagon signalling / hair follicle placode formation ...glucagon-like peptide 1 receptor activity / glucagon receptor activity / hormone secretion / positive regulation of blood pressure / post-translational protein targeting to membrane, translocation / response to psychosocial stress / regulation of heart contraction / peptide hormone binding / PKA activation in glucagon signalling / hair follicle placode formation / developmental growth / D1 dopamine receptor binding / intracellular transport / vascular endothelial cell response to laminar fluid shear stress / renal water homeostasis / Hedgehog 'off' state / adenylate cyclase-activating adrenergic receptor signaling pathway / activation of adenylate cyclase activity / negative regulation of blood pressure / regulation of insulin secretion / cellular response to glucagon stimulus / adenylate cyclase activator activity / trans-Golgi network membrane / negative regulation of inflammatory response to antigenic stimulus / bone development / G-protein beta/gamma-subunit complex binding / platelet aggregation / cognition / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / adenylate cyclase-activating G protein-coupled receptor signaling pathway / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / 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 / ADORA2B mediated anti-inflammatory cytokines production / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / sensory perception of smell / transmembrane signaling receptor activity / GPER1 signaling / Inactivation, recovery and regulation of the phototransduction cascade / cellular response to prostaglandin E stimulus / 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 / G protein activity / GTPase binding / positive regulation of cytosolic calcium ion concentration / Ca2+ pathway / retina development in camera-type eye / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / fibroblast proliferation / G alpha (i) signalling events / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / Ras protein signal transduction / learning or memory / Extra-nuclear estrogen signaling / cell population proliferation / cell surface receptor signaling pathway / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / synapse / protein-containing complex binding / GTP binding / signal transduction / extracellular exosome / metal ion binding / membrane / plasma membrane / cytosol / cytoplasm Similarity search - Function | |||||||||||||||||||||||||||||||||
Biological species | ![]() ![]() ![]() | |||||||||||||||||||||||||||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.16 Å | |||||||||||||||||||||||||||||||||
![]() | Cary BP / Hager MV / Mariam Z / Morris RK / Belousoff MJ / Deganutti G / Wootten D / Sexton PM / Gellman SH | |||||||||||||||||||||||||||||||||
Funding support | ![]() ![]()
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![]() | ![]() Title: Prolonged signaling of backbone-modified glucagon-like peptide- analogues with diverse receptor trafficking. Authors: Brian P Cary / Marlies V Hager / Zamara Mariam / Rylie K Morris / Matthew J Belousoff / Giuseppe Deganutti / Patrick M Sexton / Denise Wootten / Samuel H Gellman / ![]() ![]() ![]() Abstract: Signal duration and subcellular location are emerging as important facets of G protein-coupled receptor (GPCR) function. The glucagon-like peptide-1 receptor (GLP-1R), a clinically relevant class B1 ...Signal duration and subcellular location are emerging as important facets of G protein-coupled receptor (GPCR) function. The glucagon-like peptide-1 receptor (GLP-1R), a clinically relevant class B1 GPCR, stimulates production of the second messenger cyclic adenosine monophosphate (cAMP) upon activation by the native hormone, GLP-1. cAMP production continues after the hormone-receptor complex has been internalized via endocytosis. Here, we report GLP-1 analogues that induce prolonged signaling relative to GLP-1. A single β-amino acid substitution at position 18, with the residue derived from (,)--2-aminocyclopentanecarboxylic acid (ACPC), enhances signaling duration with retention of receptor endocytosis. Pairing ACPC at position 18 with a second substitution, α-aminoisobutyric acid (Aib) at position 16, abrogates endocytosis, but prolonged signaling is maintained. Prolonged signaling is sensitive to the structure of the β residue at position 18. Cryoelectron microscopy structures of two GLP-1 analogues bound to the GLP-1R:Gs complex suggest substantial alterations to bound peptide structure and dynamics compared to the GLP-1:GLP-1R:Gs complex. These structural findings strengthen an emerging view that agonist dynamics in the receptor-bound state influence signaling profiles. Our results advance understanding of the structural underpinnings of receptor activation and introduce tools for exploring the impact of spatiotemporal signaling profiles following GLP-1R activation. | |||||||||||||||||||||||||||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 85.6 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 34 KB 34 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 9.5 KB | Display | ![]() |
Images | ![]() | 65.5 KB | ||
Masks | ![]() | 91.1 MB | ![]() | |
Filedesc metadata | ![]() | 7.9 KB | ||
Others | ![]() ![]() ![]() ![]() ![]() | 44.6 MB 76.2 MB 44.6 MB 84.5 MB 84.5 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 922 KB | Display | ![]() |
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Full document | ![]() | 921.5 KB | Display | |
Data in XML | ![]() | 18.4 KB | Display | |
Data in CIF | ![]() | 22.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 9ebqMC ![]() 9ebnC ![]() 9eboC M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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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 | sharpened consensus map (rescaled) | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.878 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Mask #1
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-Additional map: unsharpened consensus map (rescaled)
File | emd_47884_additional_1.map | ||||||||||||
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Annotation | unsharpened consensus map (rescaled) | ||||||||||||
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-Additional map: DeepEMhancer sharpened consensus map (rescaled)
File | emd_47884_additional_2.map | ||||||||||||
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Annotation | DeepEMhancer sharpened consensus map (rescaled) | ||||||||||||
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-Additional map: receptor-focused refinement map (rescaled)
File | emd_47884_additional_3.map | ||||||||||||
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Annotation | receptor-focused refinement map (rescaled) | ||||||||||||
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-Half map: original half map
File | emd_47884_half_map_1.map | ||||||||||||
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Annotation | original half map | ||||||||||||
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-Half map: original half map
File | emd_47884_half_map_2.map | ||||||||||||
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Annotation | original half map | ||||||||||||
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Sample components
-Entire : Hetero-6-mer of peptide 2 (GLP-1 (ACPC-18)) bound to GLP-1R/G-alp...
Entire | Name: Hetero-6-mer of peptide 2 (GLP-1 (ACPC-18)) bound to GLP-1R/G-alpha-S complex |
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Components |
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-Supramolecule #1: Hetero-6-mer of peptide 2 (GLP-1 (ACPC-18)) bound to GLP-1R/G-alp...
Supramolecule | Name: Hetero-6-mer of peptide 2 (GLP-1 (ACPC-18)) bound to GLP-1R/G-alpha-S complex type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 150 KDa |
-Macromolecule #1: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
Macromolecule | Name: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 45.683434 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKNTIVKQM RILHVNGFNG EGGEEDPQAA RSNSDGEKA TKVQDIKNNL KEAIETIVAA MSNLVPPVEL ANPENQFRVD YILSVMNVPD FDFPPEFYEH AKALWEDEGV R ACYERSNE ...String: MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKNTIVKQM RILHVNGFNG EGGEEDPQAA RSNSDGEKA TKVQDIKNNL KEAIETIVAA MSNLVPPVEL ANPENQFRVD YILSVMNVPD FDFPPEFYEH AKALWEDEGV R ACYERSNE YQLIDCAQYF LDKIDVIKQA DYVPSDQDLL RCRVLTSGIF ETKFQVDKVN FHMFDVGAQR DERRKWIQCF ND VTAIIFV VASSSYNMVI REDNQTNRLQ AALKLFDSIW NNKWLRDTSV ILFLNKQDLL AEKVLAGKSK IEDYFPEFAR YTT PEDATP EPGEDPRVTR AKYFIRDEFL RISTASGDGR HYCYPHFTCA VDTENIRRVF NDCRDIIQRM HLRQYELL UniProtKB: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short |
-Macromolecule #2: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
Macromolecule | Name: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 37.413863 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: QSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL ...String: QSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL WDIETGQQTT TFTGHTGDVM SLSLAPDTRL FVSGACDASA KLWDVREGMC RQTFTGHESD INAICFFPNG NA FATGSDD ATCRLFDLRA DQELMTYSHD NIICGITSVS FSKSGRLLLA GYDDFNCNVW DALKADRAGV LAGHDNRVSC LGV TDDGMA VATGSWDSFL KIWN UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 |
-Macromolecule #3: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Macromolecule | Name: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 6.375332 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: NTASIAQARK LVEQLKMEAN IDRIKVSKAA ADLMAYCEAH AKEDPLLTPV PASENPFR UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-Macromolecule #4: Nanobody35
Macromolecule | Name: Nanobody35 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 13.885439 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: QVQLQESGGG LVQPGGSLRL SCAASGFTFS NYKMNWVRQA PGKGLEWVSD ISQSGASISY TGSVKGRFTI SRDNAKNTLY LQMNSLKPE DTAVYYCARC PAPFTRDCFD VTSTTYAYRG QGTQVTVSS |
-Macromolecule #5: Glucagon-like peptide 1 receptor
Macromolecule | Name: Glucagon-like peptide 1 receptor / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 56.748418 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: MKTIIALSYI FCLVFADYKD DDDLEVLFQG PARPQGATVS LWETVQKWRE YRRQCQRSLT EDPPPATDLF CNRTFDEYAC WPDGEPGSF VNVSCPWYLP WASSVPQGHV YRFCTAEGLW LQKDNSSLPW RDLSECEESK RGERSSPEEQ LLFLYIIYTV G YALSFSAL ...String: MKTIIALSYI FCLVFADYKD DDDLEVLFQG PARPQGATVS LWETVQKWRE YRRQCQRSLT EDPPPATDLF CNRTFDEYAC WPDGEPGSF VNVSCPWYLP WASSVPQGHV YRFCTAEGLW LQKDNSSLPW RDLSECEESK RGERSSPEEQ LLFLYIIYTV G YALSFSAL VIASAILLGF RHLHCTRNYI HLNLFASFIL RALSVFIKDA ALKWMYSTAA QQHQWDGLLS YQDSLSCRLV FL LMQYCVA ANYYWLLVEG VYLYTLLAFS VFSEQWIFRL YVSIGWGVPL LFVVPWGIVK YLYEDEGCWT RNSNMNYWLI IRL PILFAI GVNFLIFVRV ICIVVSKLKA NLMCKTDIKC RLAKSTLTLI PLLGTHEVIF AFVMDEHARG TLRFIKLFTE LSFT SFQGL MVAILYCFVN NEVQLEFRKS WERWRLEHLH IQRDSSMKPL KCPTSSLSSG ATAGSSMYTA TCQASCSPAG LEVLF QGPH HHHHHHH UniProtKB: Glucagon-like peptide 1 receptor |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 4.3 mg/mL |
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Buffer | pH: 7.4 |
Grid | Model: UltrAuFoil R1.2/1.3 / Pretreatment - Type: GLOW DISCHARGE |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy
Microscope | TFS GLACIOS |
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Image recording | Film or detector model: FEI FALCON IV (4k x 4k) / Number grids imaged: 1 / Number real images: 5908 / Average exposure time: 7.39 sec. / Average electron dose: 50.0 e/Å2 |
Electron beam | Acceleration voltage: 200 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.4000000000000001 µm / Nominal defocus min: 0.7000000000000001 µm |
Sample stage | Cooling holder cryogen: NITROGEN |