+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-33494 | |||||||||
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Title | Cryo-EM structure of the TRH-bound human TRHR-Gq complex | |||||||||
Map data | ||||||||||
Sample |
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Keywords | TRHR / TRH / Class A GPCR / BIOSYNTHETIC PROTEIN / MEMBRANE PROTEIN / STRUCTURAL PROTEIN | |||||||||
Function / homology | Function and homology information thyrotropin-releasing hormone receptor activity / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Activation of G protein gated Potassium channels ...thyrotropin-releasing hormone receptor activity / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Ca2+ pathway / G alpha (z) signalling events / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / G alpha (q) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / G alpha (i) signalling events / alkylglycerophosphoethanolamine phosphodiesterase activity / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through PLC beta / ADP signalling through P2Y purinoceptor 1 / Thromboxane signalling through TP receptor / Presynaptic function of Kainate receptors / G beta:gamma signalling through CDC42 / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Glucagon-type ligand receptors / G alpha (12/13) signalling events / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Thrombin signalling through proteinase activated receptors (PARs) / Ca2+ pathway / Extra-nuclear estrogen signaling / G alpha (z) signalling events / G alpha (s) signalling events / G alpha (q) signalling events / photoreceptor outer segment membrane / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (i) signalling events / spectrin binding / Vasopressin regulates renal water homeostasis via Aquaporins / photoreceptor outer segment / cardiac muscle cell apoptotic process / photoreceptor inner segment / Peptide ligand-binding receptors / cellular response to catecholamine stimulus / sensory perception of taste / adenylate cyclase-activating dopamine receptor signaling pathway / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / signaling receptor complex adaptor activity / GTPase binding / retina development in camera-type eye / phospholipase C-activating G protein-coupled receptor signaling pathway / positive regulation of cytosolic calcium ion concentration / cellular response to hypoxia / cell body / G alpha (q) signalling events / cell population proliferation / G protein-coupled receptor signaling pathway / GTPase activity / dendrite / synapse / protein-containing complex binding / membrane / plasma membrane / cytoplasm Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) / synthetic construct (others) / Rattus norvegicus (Norway rat) / Bos taurus (cattle) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.7 Å | |||||||||
Authors | Ji S / Dong Y / Chen L / Zang S / Shen D / Guo J / Qin J / Zhang H / Wang W / Shen Q ...Ji S / Dong Y / Chen L / Zang S / Shen D / Guo J / Qin J / Zhang H / Wang W / Shen Q / Mao C / Zhang Y | |||||||||
Funding support | 1 items
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Citation | Journal: Cell Discov / Year: 2022 Title: Molecular basis for the activation of thyrotropin-releasing hormone receptor. Authors: Su-Yu Ji / Ying-Jun Dong / Li-Nan Chen / Shao-Kun Zang / Jiawei Wang / Dan-Dan Shen / Jia Guo / Jiao Qin / Huibing Zhang / Wei-Wei Wang / Qingya Shen / Yan Zhang / Zhangfa Song / Chunyou Mao / | |||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_33494.map.gz | 1.6 MB | EMDB map data format | |
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Header (meta data) | emd-33494-v30.xml emd-33494.xml | 23.5 KB 23.5 KB | Display Display | EMDB header |
Images | emd_33494.png | 53 KB | ||
Filedesc metadata | emd-33494.cif.gz | 7.1 KB | ||
Others | emd_33494_half_map_1.map.gz emd_33494_half_map_2.map.gz | 20.7 MB 20.7 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-33494 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-33494 | HTTPS FTP |
-Validation report
Summary document | emd_33494_validation.pdf.gz | 665.3 KB | Display | EMDB validaton report |
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Full document | emd_33494_full_validation.pdf.gz | 664.9 KB | Display | |
Data in XML | emd_33494_validation.xml.gz | 10.5 KB | Display | |
Data in CIF | emd_33494_validation.cif.gz | 12.3 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-33494 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-33494 | HTTPS FTP |
-Related structure data
Related structure data | 7xw9MC M: atomic model generated by this map C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_33494.map.gz / Format: CCP4 / Size: 27 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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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:
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-Supplemental data
-Half map: #2
File | emd_33494_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_33494_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Sample components
+Entire : Cryo-EM structure of the TRH-bound TRHR-Gq complex
+Supramolecule #1: Cryo-EM structure of the TRH-bound TRHR-Gq complex
+Supramolecule #2: Thyrotropin-releasing hormone receptor
+Supramolecule #3: antibody
+Supramolecule #4: G protein
+Supramolecule #5: TRH peptide
+Macromolecule #1: Thyrotropin-releasing hormone receptor
+Macromolecule #2: Guanine nucleotide-binding protein G(q) subunit alpha
+Macromolecule #3: 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 #5: single Fab chain (svFv16)
+Macromolecule #6: TRH peptide
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Concentration | 18 mg/mL |
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Buffer | pH: 7.4 |
Grid | Model: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY |
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Digitization - Frames/image: 1-40 / Number real images: 3667 / Average electron dose: 64.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Calibrated magnification: 49310 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.0 µm / Nominal magnification: 29000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |