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- EMDB-25077: GPR56 (ADGRG1) 7TM domain bound to tethered agonist in complex wi... -
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Basic information
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Title | GPR56 (ADGRG1) 7TM domain bound to tethered agonist in complex with G protein heterotrimer | |||||||||
![]() | Cryo-EM composite map for GPR56 - miniG13 heterotrimer | |||||||||
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![]() | Adhesion GPCR / GPR56 / ADGRG1 / tethered agonist / stalk / stachel / miniG13 / G13 heterotrimer / G protein / cryoEM / membrane protein | |||||||||
Function / homology | ![]() cerebral cortex regionalization / cerebral cortex radial glia-guided migration / glial limiting end-foot / negative regulation of neuron migration / hematopoietic stem cell homeostasis / layer formation in cerebral cortex / positive regulation of vascular endothelial growth factor signaling pathway / positive regulation of neural precursor cell proliferation / extracellular matrix binding / neural precursor cell proliferation ...cerebral cortex regionalization / cerebral cortex radial glia-guided migration / glial limiting end-foot / negative regulation of neuron migration / hematopoietic stem cell homeostasis / layer formation in cerebral cortex / positive regulation of vascular endothelial growth factor signaling pathway / positive regulation of neural precursor cell proliferation / extracellular matrix binding / neural precursor cell proliferation / positive regulation of Rho protein signal transduction / seminiferous tubule development / Rho protein signal transduction / collagen binding / positive regulation of cell adhesion / G protein-coupled receptor activity / brain development / 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 / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / ADP signalling through P2Y purinoceptor 1 / G beta:gamma signalling through PI3Kgamma / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / adenylate cyclase-activating dopamine receptor signaling pathway / 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 / cell migration / G alpha (12/13) signalling events / sensory perception of taste / cell-cell signaling / extracellular vesicle / heparin binding / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / 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 / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / angiogenesis / G alpha (q) signalling events / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation / cell surface receptor signaling pathway / cell adhesion / G protein-coupled receptor signaling pathway / membrane raft / lysosomal membrane / negative regulation of cell population proliferation / GTPase activity / synapse / protein-containing complex binding / signal transduction / extracellular exosome / membrane / plasma membrane / cytosol / cytoplasm Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.7 Å | |||||||||
![]() | Barros-Alvarez X / Panova O / Skiniotis G | |||||||||
Funding support | 1 items
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![]() | ![]() Title: The tethered peptide activation mechanism of adhesion GPCRs. Authors: Ximena Barros-Álvarez / Robert M Nwokonko / Alexander Vizurraga / Donna Matzov / Feng He / Makaía M Papasergi-Scott / Michael J Robertson / Ouliana Panova / Eliane Hadas Yardeni / Alpay B ...Authors: Ximena Barros-Álvarez / Robert M Nwokonko / Alexander Vizurraga / Donna Matzov / Feng He / Makaía M Papasergi-Scott / Michael J Robertson / Ouliana Panova / Eliane Hadas Yardeni / Alpay B Seven / Frank E Kwarcinski / Hongyu Su / Maria Claudia Peroto / Justin G Meyerowitz / Moran Shalev-Benami / Gregory G Tall / Georgios Skiniotis / ![]() ![]() Abstract: Adhesion G-protein-coupled receptors (aGPCRs) are characterized by the presence of auto-proteolysing extracellular regions that are involved in cell-cell and cell-extracellular matrix interactions. ...Adhesion G-protein-coupled receptors (aGPCRs) are characterized by the presence of auto-proteolysing extracellular regions that are involved in cell-cell and cell-extracellular matrix interactions. Self cleavage within the aGPCR auto-proteolysis-inducing (GAIN) domain produces two protomers-N-terminal and C-terminal fragments-that remain non-covalently attached after receptors reach the cell surface. Upon dissociation of the N-terminal fragment, the C-terminus of the GAIN domain acts as a tethered agonist (TA) peptide to activate the seven-transmembrane domain with a mechanism that has been poorly understood. Here we provide cryo-electron microscopy snapshots of two distinct members of the aGPCR family, GPR56 (also known as ADGRG1) and latrophilin 3 (LPHN3 (also known as ADGRL3)). Low-resolution maps of the receptors in their N-terminal fragment-bound state indicate that the GAIN domain projects flexibly towards the extracellular space, keeping the encrypted TA peptide away from the seven-transmembrane domain. High-resolution structures of GPR56 and LPHN3 in their active, G-protein-coupled states, reveal that after dissociation of the extracellular region, the decrypted TA peptides engage the seven-transmembrane domain core with a notable conservation of interactions that also involve extracellular loop 2. TA binding stabilizes breaks in the middle of transmembrane helices 6 and 7 that facilitate aGPCR coupling and activation of heterotrimeric G proteins. Collectively, these results enable us to propose a general model for aGPCR activation. | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 1.3 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 19.5 KB 19.5 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() ![]() | 13.1 KB 13 KB | Display Display | ![]() |
Images | ![]() | 65.9 KB | ||
Filedesc metadata | ![]() | 6.2 KB | ||
Others | ![]() ![]() | 730.5 KB 1.3 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7sf8MC ![]() 7sf7C C: citing same article ( M: atomic model generated by this map |
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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 | Cryo-EM composite map for GPR56 - miniG13 heterotrimer | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.8677 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Additional map: Local refinement of GPR56 7TM domain
File | emd_25077_additional_1.map | ||||||||||||
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Annotation | Local refinement of GPR56 7TM domain | ||||||||||||
Projections & Slices |
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Density Histograms |
-Additional map: Local refinement of miniG13 heterotrimer
File | emd_25077_additional_2.map | ||||||||||||
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Annotation | Local refinement of miniG13 heterotrimer | ||||||||||||
Projections & Slices |
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Density Histograms |
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Sample components
-Entire : GPR56 (ADGRG1) 7TM domain bound to tethered agonist in complex wi...
Entire | Name: GPR56 (ADGRG1) 7TM domain bound to tethered agonist in complex with mini-G13 protein |
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Components |
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-Supramolecule #1: GPR56 (ADGRG1) 7TM domain bound to tethered agonist in complex wi...
Supramolecule | Name: GPR56 (ADGRG1) 7TM domain bound to tethered agonist in complex with mini-G13 protein type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Isoform 2 of Adhesion G-protein coupled receptor G1
Macromolecule | Name: Isoform 2 of Adhesion G-protein coupled receptor G1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 34.798094 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: TYFAVLMVSS VEVDAVHKHY LSLLSYVGCV VSALACLVTI AAYLCSRRKP RDYTIKVHMN LLLAVFLLDT SFLLSEPVAL TGSEAGCRA SAIFLHFSLL TCLSWMGLEG YNLYRLVVEV FGTYVPGYLL KLSAMGWGFP IFLVTLVALV DVDNYGPIIL A VHRTPEGV ...String: TYFAVLMVSS VEVDAVHKHY LSLLSYVGCV VSALACLVTI AAYLCSRRKP RDYTIKVHMN LLLAVFLLDT SFLLSEPVAL TGSEAGCRA SAIFLHFSLL TCLSWMGLEG YNLYRLVVEV FGTYVPGYLL KLSAMGWGFP IFLVTLVALV DVDNYGPIIL A VHRTPEGV IYPSMCWIRD SLVSYITNLG LFSLVFLFNM AMLATMVVQI LRLRPHTQKW SHVLTLLGLS LVLGLPWALI FF SFASGTF QLVVLYLFSI ITSFQGFLIF IWYWSMRLQA RGGPSPLKSN SDSARLPISS GSTSSSRIGS LEVLFQ UniProtKB: Adhesion G-protein coupled receptor G1 |
-Macromolecule #2: G protein subunit 13 (Gi2-mini-G13 chimera)
Macromolecule | Name: G protein subunit 13 (Gi2-mini-G13 chimera) / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 26.5744 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MGSTVSAEDK AAAERSKEID KCLSREKTYV KRLVKILLLG ADNSGKSTFL KQMRIIHGGS GGSGGTKGIH EYDFEIKNVP FKMVDVGGQ RSERKRWFEC FDSVTSILFL VDSSDFNRLT ESLNDFETIV NNRVFSNVSI ILFLNKTDLL EEKVQIVSIK D YFLEFEGD ...String: MGSTVSAEDK AAAERSKEID KCLSREKTYV KRLVKILLLG ADNSGKSTFL KQMRIIHGGS GGSGGTKGIH EYDFEIKNVP FKMVDVGGQ RSERKRWFEC FDSVTSILFL VDSSDFNRLT ESLNDFETIV NNRVFSNVSI ILFLNKTDLL EEKVQIVSIK D YFLEFEGD PHCLRDVQKF LVECFRNKRR DQQQKPLYHH FTTAINTENA RLIFRDVKDT ILHDNLKQLM LQ |
-Macromolecule #3: 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: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 37.41693 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL ...String: MSELDQLRQE 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 #4: 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: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 7.861143 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 7.5 mg/mL |
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Buffer | pH: 7.5 |
Grid | Model: UltrAuFoil R1.2/1.3 |
Vitrification | Cryogen name: ETHANE / Instrument: FEI VITROBOT MARK II |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 1.07 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | C2 aperture diameter: 70.0 µm / Calibrated magnification: 55000 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |