+Open data
-Basic information
Entry | Database: PDB / ID: 8xjn | |||||||||
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Title | Cloprosetnol bound Thromboxane A2 receptor-Gq Protein Complex | |||||||||
Components |
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Keywords | MEMBRANE PROTEIN / cryo-EM / Complex / Signaling Protein | |||||||||
Function / homology | Function and homology information thromboxane A2 receptor activity / Prostanoid ligand receptors / positive regulation of smooth muscle contraction / positive regulation of blood pressure / negative regulation of cell migration involved in sprouting angiogenesis / response to testosterone / smooth muscle contraction / positive regulation of blood coagulation / positive regulation of vasoconstriction / response to nutrient ...thromboxane A2 receptor activity / Prostanoid ligand receptors / positive regulation of smooth muscle contraction / positive regulation of blood pressure / negative regulation of cell migration involved in sprouting angiogenesis / response to testosterone / smooth muscle contraction / positive regulation of blood coagulation / positive regulation of vasoconstriction / response to nutrient / guanyl-nucleotide exchange factor activity / acrosomal vesicle / 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 / adenylate cyclase-activating G protein-coupled receptor signaling pathway / G-protein activation / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / ADP signalling through P2Y purinoceptor 12 / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Sensory perception of sweet, bitter, and umami (glutamate) taste / photoreceptor disc membrane / Adrenaline,noradrenaline inhibits insulin secretion / Glucagon-type ligand receptors / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / cellular response to catecholamine stimulus / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / adenylate cyclase-activating dopamine receptor signaling pathway / G beta:gamma signalling through PI3Kgamma / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / positive regulation of angiogenesis / GPER1 signaling / G-protein beta-subunit binding / Inactivation, recovery and regulation of the phototransduction cascade / heterotrimeric G-protein complex / G alpha (12/13) signalling events / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / retina development in camera-type eye / phospholipase C-activating G protein-coupled receptor signaling pathway / Ca2+ pathway / positive regulation of cytosolic calcium ion concentration / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) signalling events / G alpha (q) signalling events / cellular response to lipopolysaccharide / response to ethanol / cell population proliferation / Ras protein signal transduction / Extra-nuclear estrogen signaling / nuclear speck / response to xenobiotic stimulus / inflammatory response / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / synapse / protein-containing complex binding / signal transduction / extracellular exosome / membrane / plasma membrane / cytoplasm / cytosol Similarity search - Function | |||||||||
Biological species | synthetic construct (others) Homo sapiens (human) | |||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.06 Å | |||||||||
Authors | Zhang, X. / Li, X. / Liu, G. / Gong, W. | |||||||||
Funding support | China, 2items
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Citation | Journal: Cell Rep / Year: 2024 Title: Structural basis for ligand recognition and activation of the prostanoid receptors. Authors: Xiu Li / Xuan Zhang / Xin Wen / Daolai Zhang / Changxiu Qu / Xinyi Miao / Wenkai Zhang / Ru Zhang / Guibing Liu / Peng Xiao / Jin-Peng Sun / Weimin Gong / Abstract: Prostaglandin F (PGF) and thromboxane A (TXA) are endogenous arachidonic acid metabolites, modulating diverse physiological processes including inflammation and cardiovascular homeostasis through ...Prostaglandin F (PGF) and thromboxane A (TXA) are endogenous arachidonic acid metabolites, modulating diverse physiological processes including inflammation and cardiovascular homeostasis through activating PGF receptor (FP) and TXA receptor (TP). Ligands targeting FP and TP have demonstrated efficacy in treating conditions like glaucoma and cardiovascular diseases in humans, as well as reproductive-related diseases in animals. Here, we present five cryoelectron microscopy structures illustrating FP and TP in complex with G and bound to PGF (endogenous ligand), latanoprost acid (a clinical drug), and two other synthetic agonists. Combined with mutational and functional studies, these structures reveal not only structural features for the specific recognition of endogenous ligands and attainment of receptor selectivity of FP and TP but also the common mechanisms of receptor activation and G protein coupling. The findings may enrich our knowledge of ligand recognition and signal transduction of the prostanoid receptor family and facilitate rational ligand design toward these two receptors. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8xjn.cif.gz | 245.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8xjn.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 8xjn.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8xjn_validation.pdf.gz | 481.2 KB | Display | wwPDB validaton report |
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Full document | 8xjn_full_validation.pdf.gz | 487.6 KB | Display | |
Data in XML | 8xjn_validation.xml.gz | 22.9 KB | Display | |
Data in CIF | 8xjn_validation.cif.gz | 35.3 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/xj/8xjn ftp://data.pdbj.org/pub/pdb/validation_reports/xj/8xjn | HTTPS FTP |
-Related structure data
Related structure data | 38402MC 8xjkC 8xjlC 8xjmC 8xjoC M: map data used to model this data C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
-Protein , 2 types, 2 molecules AR
#1: Protein | Mass: 28305.244 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) synthetic construct (others) / Production host: Spodoptera frugiperda (fall armyworm) |
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#5: Protein | Mass: 61019.816 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) synthetic construct (others), (gene. exp.) Homo sapiens (human) Gene: TBXA2R / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P21731 |
-Guanine nucleotide-binding protein ... , 2 types, 2 molecules BC
#2: Protein | Mass: 40845.559 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GNB1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P62873 |
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#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: Spodoptera frugiperda (fall armyworm) / References: UniProt: P59768 |
-Antibody / Non-polymers , 2 types, 2 molecules E
#4: Antibody | Mass: 27374.430 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) synthetic construct (others) / Production host: Trichoplusia ni (cabbage looper) |
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#6: Chemical | ChemComp-A1D5A / (~{ Mass: 424.915 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C22H29ClO6 / Feature type: SUBJECT OF INVESTIGATION |
-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component | Name: Cloprosetnol-TP-miniGq-scFv16 complex / Type: COMPLEX / Entity ID: #1-#5 / Source: RECOMBINANT |
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Source (natural) | Organism: Homo sapiens (human) |
Source (recombinant) | Organism: Spodoptera frugiperda (fall armyworm) |
Buffer solution | pH: 7.5 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
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: 55 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
-Processing
EM software | Name: PHENIX / Version: 1.20.1_4487: / Category: model refinement | ||||||||||||||||||||||||
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3D reconstruction | Resolution: 3.06 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 71371 / Symmetry type: POINT | ||||||||||||||||||||||||
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