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Open data
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Basic information
| Entry | Database: PDB / ID: 8zx4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Title | LPI-bound GPR55 in complex with G13 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Keywords | MEMBRANE PROTEIN / GPCR-G-protein complex | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Function / homology | Function and homology informationcannabinoid receptor activity / Class A/1 (Rhodopsin-like receptors) / positive regulation of Rho protein signal transduction / negative regulation of osteoclast differentiation / bone resorption / G protein-coupled receptor activity / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors ...cannabinoid receptor activity / Class A/1 (Rhodopsin-like receptors) / positive regulation of Rho protein signal transduction / negative regulation of osteoclast differentiation / bone resorption / G protein-coupled receptor activity / 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 / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / 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 / photoreceptor disc membrane / Glucagon-type ligand receptors / Sensory perception of sweet, bitter, and umami (glutamate) taste / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / ADP signalling through P2Y purinoceptor 1 / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / 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 / G-protein beta-subunit binding / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / G alpha (12/13) signalling events / Inactivation, recovery and regulation of the phototransduction cascade / extracellular vesicle / sensory perception of taste / Thrombin signalling through proteinase activated receptors (PARs) / signaling receptor complex adaptor activity / retina development in camera-type eye / 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 / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / Ras protein signal transduction / Extra-nuclear estrogen signaling / positive regulation of ERK1 and ERK2 cascade / cell population proliferation / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / synapse / protein-containing complex binding / signal transduction / extracellular exosome / membrane / plasma membrane / cytosol / cytoplasm Similarity search - Function | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Biological species | Homo sapiens (human) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.85 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Authors | He, Y. / Xia, R. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Funding support | China, 1items
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Citation | Journal: Cell Res / Year: 2025Title: Structural insight into GPR55 ligand recognition and G-protein coupling. Authors: Ruixue Xia / Qingning Yuan / Na Wang / Li Hou / Junpei Abe / Jing Song / Yukishige Ito / H Eric Xu / Yuanzheng He / ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 8zx4.cif.gz | 168.2 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb8zx4.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 8zx4.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/zx/8zx4 ftp://data.pdbj.org/pub/pdb/validation_reports/zx/8zx4 | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 60537MC ![]() 8zx5C M: map data used to model this data C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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Components
| #1: Protein | Mass: 26574.400 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: ![]() |
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| #2: Protein | Mass: 37915.496 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GNB1 / Production host: ![]() |
| #3: Protein | Mass: 7861.143 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GNG2 / Production host: ![]() |
| #4: Protein | Mass: 34162.531 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GPR55 / Production host: ![]() |
| #5: Chemical | ChemComp-A1D9E / [( Mass: 572.623 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C25H49O12P |
| Has ligand of interest | N |
| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: ELECTRON MICROSCOPY |
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| EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
| Component | Name: GPCR/G-protein complex / Type: COMPLEX / Entity ID: #1-#4 / Source: RECOMBINANT |
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| Source (natural) | Organism: Homo sapiens (human) |
| Source (recombinant) | Organism: ![]() |
| Buffer solution | pH: 7 |
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
| Experimental equipment | ![]() Model: Tecnai F30 / Image courtesy: FEI Company |
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| Microscopy | Model: FEI TECNAI F30 |
| Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2200 nm / Nominal defocus min: 1200 nm |
| Image recording | Electron dose: 50 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k) |
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Processing
| EM software | Name: PHENIX / Category: model refinement |
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| CTF correction | Type: NONE |
| 3D reconstruction | Resolution: 2.85 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 247594 / Symmetry type: POINT |
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About Yorodumi




Homo sapiens (human)
China, 1items
Citation



PDBj























FIELD EMISSION GUN