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Yorodumi- EMDB-32529: Cryo-EM structure of the L-054,264-bound human SSTR2-Gi1 complex -
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Basic information
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| Title | Cryo-EM structure of the L-054,264-bound human SSTR2-Gi1 complex | |||||||||
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Keywords | somatostatin receptor / somatostatin-14 / L-054 / 264 / SSTR2 / Class A GPCR / BIOSYNTHETIC PROTEIN / STRUCTURAL PROTEIN | |||||||||
| Function / homology | Function and homology informationsomatostatin 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 ...somatostatin 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 / neuropeptide binding / G alpha (z) signalling events / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / G alpha (q) signalling events / G alpha (i) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / 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 / G alpha (12/13) signalling events / Glucagon-type ligand receptors / 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 / Ca2+ pathway / Thrombin signalling through proteinase activated receptors (PARs) / G alpha (z) signalling events / cellular response to glucocorticoid stimulus / Extra-nuclear estrogen signaling / photoreceptor outer segment membrane / G alpha (s) signalling events / G alpha (q) signalling events / spectrin binding / G alpha (i) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / Vasopressin regulates renal water homeostasis via Aquaporins / alkylglycerophosphoethanolamine phosphodiesterase activity / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / photoreceptor outer segment / neuropeptide signaling pathway / adenylate cyclase inhibitor activity / positive regulation of protein localization to cell cortex / T cell migration / Adenylate cyclase inhibitory pathway / D2 dopamine receptor binding / response to prostaglandin E / adenylate cyclase regulator activity / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / cardiac muscle cell apoptotic process / photoreceptor inner segment / cellular response to forskolin / regulation of mitotic spindle organization / Peptide ligand-binding receptors / PDZ domain binding / Regulation of insulin secretion / cellular response to estradiol stimulus / positive regulation of cholesterol biosynthetic process / negative regulation of insulin secretion / G protein-coupled receptor binding / response to peptide hormone / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / centriolar satellite / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / GDP binding / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / GPER1 signaling / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / sensory perception of taste / signaling receptor complex adaptor activity / retina development in camera-type eye / G protein activity / positive regulation of cytosolic calcium ion concentration / cell body / GTPase binding / midbody / cell cortex Similarity search - Function | |||||||||
| Biological species | Homo sapiens (human) / synthetic construct (others) / ![]() ![]() | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 2.7 Å | |||||||||
Authors | Chen L / Wang W / Dong Y / Shen D / Guo J / Qin J / Zhang H / Shen Q / Zhang Y / Mao C | |||||||||
| Funding support | 1 items
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Citation | Journal: Cell Res / Year: 2022Title: Structures of the endogenous peptide- and selective non-peptide agonist-bound SSTR2 signaling complexes. Authors: Li-Nan Chen / Wei-Wei Wang / Ying-Jun Dong / Dan-Dan Shen / Jia Guo / Xuefei Yu / Jiao Qin / Su-Yu Ji / Huibing Zhang / Qingya Shen / Qiaojun He / Bo Yang / Yan Zhang / Qinglin Li / Chunyou Mao / ![]() | |||||||||
| History |
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Structure visualization
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_32529.map.gz | 23.5 MB | EMDB map data format | |
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| Header (meta data) | emd-32529-v30.xml emd-32529.xml | 18.8 KB 18.8 KB | Display Display | EMDB header |
| Images | emd_32529.png | 100.9 KB | ||
| Filedesc metadata | emd-32529.cif.gz | 6.9 KB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-32529 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-32529 | HTTPS FTP |
-Validation report
| Summary document | emd_32529_validation.pdf.gz | 390.7 KB | Display | EMDB validaton report |
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| Full document | emd_32529_full_validation.pdf.gz | 390.2 KB | Display | |
| Data in XML | emd_32529_validation.xml.gz | 5.7 KB | Display | |
| Data in CIF | emd_32529_validation.cif.gz | 6.6 KB | Display | |
| Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-32529 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-32529 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 7wigMC ![]() 7wicC M: atomic model generated by this map C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_32529.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
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Sample components
+Entire : Cryo-EM structure of the L-054,264-bound SSTR2-Gi1 complex
+Supramolecule #1: Cryo-EM structure of the L-054,264-bound SSTR2-Gi1 complex
+Supramolecule #2: somatostatin receptor type 2
+Supramolecule #3: antibody
+Supramolecule #4: G protein
+Macromolecule #1: Somatostatin receptor type 2
+Macromolecule #2: Guanine nucleotide-binding protein G(i) subunit alpha-1
+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: ~{N}-[(2~{R})-1-[[(1~{R},3~{S})-3-(aminomethyl)cyclohexyl]methyla...
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Concentration | 20 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 |
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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) / Digitization - Frames/image: 1-40 / Number real images: 3960 / Average electron dose: 62.4 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: 2.0 µm / Nominal defocus min: 0.5 µm / Nominal magnification: 29000 |
| Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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About Yorodumi



Keywords
Homo sapiens (human)
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Processing
FIELD EMISSION GUN
