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- EMDB-30603: Cryo-EM structure of the cortisol-bound adhesion receptor GPR97-G... -
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Basic information
Entry | Database: EMDB / ID: EMD-30603 | |||||||||
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Title | Cryo-EM structure of the cortisol-bound adhesion receptor GPR97-Go complex | |||||||||
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![]() | GPCR / GPR97 / complex / adhesion G protein-coupled receptor / MEMBRANE PROTEIN | |||||||||
Function / homology | ![]() negative regulation of CREB transcription factor activity / mu-type opioid receptor binding / corticotropin-releasing hormone receptor 1 binding / vesicle docking involved in exocytosis / negative regulation of non-canonical NF-kappaB signal transduction / G protein-coupled dopamine receptor signaling pathway / regulation of heart contraction / parallel fiber to Purkinje cell synapse / postsynaptic modulation of chemical synaptic transmission / negative regulation of insulin secretion ...negative regulation of CREB transcription factor activity / mu-type opioid receptor binding / corticotropin-releasing hormone receptor 1 binding / vesicle docking involved in exocytosis / negative regulation of non-canonical NF-kappaB signal transduction / G protein-coupled dopamine receptor signaling pathway / regulation of heart contraction / parallel fiber to Purkinje cell synapse / postsynaptic modulation of chemical synaptic transmission / negative regulation of insulin secretion / specific granule membrane / G protein-coupled serotonin receptor binding / muscle contraction / adenylate cyclase-inhibiting serotonin receptor signaling pathway / adenylate cyclase regulator activity / B cell differentiation / regulation of cell migration / GABA-ergic synapse / locomotory behavior / G protein-coupled receptor activity / G-protein beta/gamma-subunit complex binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / Olfactory Signaling Pathway / Activation of the phototransduction cascade / adenylate cyclase-activating G protein-coupled receptor signaling pathway / 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 / 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 / GPER1 signaling / cellular response to prostaglandin E stimulus / Inactivation, recovery and regulation of the phototransduction cascade / 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) / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G protein activity / presynaptic membrane / cell body / GTPase binding / Ca2+ pathway / retina development in camera-type eye / fibroblast proliferation / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (i) signalling events / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / G alpha (s) signalling events / G alpha (q) signalling events / postsynaptic membrane / Ras protein signal transduction / cell population proliferation / Extra-nuclear estrogen signaling / cell surface receptor signaling pathway / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / dendrite / synapse / Neutrophil degranulation / protein-containing complex binding / GTP binding / glutamatergic synapse / signal transduction / extracellular exosome / membrane / metal ion binding / plasma membrane / cytosol / cytoplasm Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.9 Å | |||||||||
![]() | Ping Y / Mao C | |||||||||
![]() | ![]() Title: Structures of the glucocorticoid-bound adhesion receptor GPR97-G complex. Authors: Yu-Qi Ping / Chunyou Mao / Peng Xiao / Ru-Jia Zhao / Yi Jiang / Zhao Yang / Wen-Tao An / Dan-Dan Shen / Fan Yang / Huibing Zhang / Changxiu Qu / Qingya Shen / Caiping Tian / Zi-Jian Li / ...Authors: Yu-Qi Ping / Chunyou Mao / Peng Xiao / Ru-Jia Zhao / Yi Jiang / Zhao Yang / Wen-Tao An / Dan-Dan Shen / Fan Yang / Huibing Zhang / Changxiu Qu / Qingya Shen / Caiping Tian / Zi-Jian Li / Shaolong Li / Guang-Yu Wang / Xiaona Tao / Xin Wen / Ya-Ni Zhong / Jing Yang / Fan Yi / Xiao Yu / H Eric Xu / Yan Zhang / Jin-Peng Sun / ![]() Abstract: Adhesion G-protein-coupled receptors (GPCRs) are a major family of GPCRs, but limited knowledge of their ligand regulation or structure is available. Here we report that glucocorticoid stress ...Adhesion G-protein-coupled receptors (GPCRs) are a major family of GPCRs, but limited knowledge of their ligand regulation or structure is available. Here we report that glucocorticoid stress hormones activate adhesion G-protein-coupled receptor G3 (ADGRG3; also known as GPR97), a prototypical adhesion GPCR. The cryo-electron microscopy structures of GPR97-G complexes bound to the anti-inflammatory drug beclomethasone or the steroid hormone cortisol revealed that glucocorticoids bind to a pocket within the transmembrane domain. The steroidal core of glucocorticoids is packed against the 'toggle switch' residue W, which senses the binding of a ligand and induces activation of the receptor. Active GPR97 uses a quaternary core and HLY motif to fasten the seven-transmembrane bundle and to mediate G protein coupling. The cytoplasmic side of GPR97 has an open cavity, where all three intracellular loops interact with the G protein, contributing to the high basal activity of GRP97. Palmitoylation at the cytosolic tail of the G protein was found to be essential for efficient engagement with GPR97 but is not observed in other solved GPCR complex structures. Our work provides a structural basis for ligand binding to the seven-transmembrane domain of an adhesion GPCR and subsequent G protein coupling. | |||||||||
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 | ![]() | 18 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 20.1 KB 20.1 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 6.7 KB | Display | ![]() |
Images | ![]() | 61.9 KB | ||
Filedesc metadata | ![]() | 7 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 467.8 KB | Display | ![]() |
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Full document | ![]() | 467.4 KB | Display | |
Data in XML | ![]() | 9.4 KB | Display | |
Data in CIF | ![]() | 12.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7d77MC ![]() 7d76C 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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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.014 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 : Cortisol-bound adhesion receptor GPR97-Go complex
+Supramolecule #1: Cortisol-bound adhesion receptor GPR97-Go complex
+Supramolecule #2: Adhesion G protein-coupled receptor G3; GPR97
+Supramolecule #3: Go
+Supramolecule #4: scFv16
+Macromolecule #1: Guanine nucleotide-binding protein G(o) subunit alpha
+Macromolecule #2: 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 #4: Adhesion G protein-coupled receptor G3; GPR97
+Macromolecule #5: scFv16
+Macromolecule #6: PALMITIC ACID
+Macromolecule #7: CHOLESTEROL HEMISUCCINATE
+Macromolecule #8: (11alpha,14beta)-11,17,21-trihydroxypregn-4-ene-3,20-dione
+Macromolecule #9: CHOLESTEROL
+Macromolecule #10: water
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 20 mg/mL |
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Buffer | pH: 7.5 |
Grid | Model: Quantifoil / Material: GOLD / Support film - Material: CARBON / Support film - topology: HOLEY |
Vitrification | Cryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Number real images: 5871 / Average electron dose: 62.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Calibrated magnification: 49310 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal magnification: 29000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |