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- PDB-8jjl: cryo-EM structure of the beta2-AR-mBRIL/1b3 Fab/Glue complex with... -

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Basic information

Entry
Database: PDB / ID: 8jjl
Titlecryo-EM structure of the beta2-AR-mBRIL/1b3 Fab/Glue complex with a full agonist
ComponentsBeta-2 adrenergic receptor,Soluble cytochrome b562
KeywordsMEMBRANE PROTEIN / complex
Function / homology
Function and homology information


desensitization of G protein-coupled receptor signaling pathway by arrestin / beta2-adrenergic receptor activity / norepinephrine-epinephrine-mediated vasodilation involved in regulation of systemic arterial blood pressure / positive regulation of mini excitatory postsynaptic potential / positive regulation of cAMP-dependent protein kinase activity / norepinephrine binding / Adrenoceptors / heat generation / positive regulation of autophagosome maturation / positive regulation of AMPA receptor activity ...desensitization of G protein-coupled receptor signaling pathway by arrestin / beta2-adrenergic receptor activity / norepinephrine-epinephrine-mediated vasodilation involved in regulation of systemic arterial blood pressure / positive regulation of mini excitatory postsynaptic potential / positive regulation of cAMP-dependent protein kinase activity / norepinephrine binding / Adrenoceptors / heat generation / positive regulation of autophagosome maturation / positive regulation of AMPA receptor activity / activation of transmembrane receptor protein tyrosine kinase activity / negative regulation of smooth muscle contraction / positive regulation of lipophagy / response to psychosocial stress / negative regulation of multicellular organism growth / endosome to lysosome transport / adrenergic receptor signaling pathway / neuronal dense core vesicle / diet induced thermogenesis / positive regulation of protein kinase A signaling / adenylate cyclase binding / smooth muscle contraction / potassium channel regulator activity / positive regulation of bone mineralization / adenylate cyclase-activating adrenergic receptor signaling pathway / brown fat cell differentiation / regulation of sodium ion transport / bone resorption / activation of adenylate cyclase activity / response to cold / receptor-mediated endocytosis / clathrin-coated endocytic vesicle membrane / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / positive regulation of protein serine/threonine kinase activity / cellular response to amyloid-beta / Cargo recognition for clathrin-mediated endocytosis / Clathrin-mediated endocytosis / positive regulation of cold-induced thermogenesis / amyloid-beta binding / G alpha (s) signalling events / transcription by RNA polymerase II / positive regulation of MAPK cascade / electron transfer activity / lysosome / periplasmic space / cell surface receptor signaling pathway / receptor complex / early endosome / endosome membrane / Ub-specific processing proteases / endosome / iron ion binding / apical plasma membrane / heme binding / protein-containing complex binding / Golgi apparatus / protein homodimerization activity / positive regulation of transcription by RNA polymerase II / membrane / identical protein binding / nucleus / plasma membrane
Similarity search - Function
Beta 2 adrenoceptor / Adrenoceptor family / Cytochrome b562 / Cytochrome b562 / Cytochrome c/b562 / Serpentine type 7TM GPCR chemoreceptor Srsx / G-protein coupled receptors family 1 signature. / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 7 transmembrane receptor (rhodopsin family)
Similarity search - Domain/homology
Olodaterol / Beta-2 adrenergic receptor / Soluble cytochrome b562
Similarity search - Component
Biological speciesHomo sapiens (human)
Escherichia coli (E. coli)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsHe, B.B. / Zhong, Y.X. / Guo, Q. / Tao, Y.Y.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: Nat Chem Biol / Year: 2024
Title: A method for structure determination of GPCRs in various states.
Authors: Qiong Guo / Binbin He / Yixuan Zhong / Haizhan Jiao / Yinhang Ren / Qinggong Wang / Qiangqiang Ge / Yongxiang Gao / Xiangyu Liu / Yang Du / Hongli Hu / Yuyong Tao /
Abstract: G-protein-coupled receptors (GPCRs) are a class of integral membrane proteins that detect environmental cues and trigger cellular responses. Deciphering the functional states of GPCRs induced by ...G-protein-coupled receptors (GPCRs) are a class of integral membrane proteins that detect environmental cues and trigger cellular responses. Deciphering the functional states of GPCRs induced by various ligands has been one of the primary goals in the field. Here we developed an effective universal method for GPCR cryo-electron microscopy structure determination without the need to prepare GPCR-signaling protein complexes. Using this method, we successfully solved the structures of the β-adrenergic receptor (βAR) bound to antagonistic and agonistic ligands and the adhesion GPCR ADGRL3 in the apo state. For βAR, an intermediate state stabilized by the partial agonist was captured. For ADGRL3, the structure revealed that inactive ADGRL3 adopts a compact fold and that large unusual conformational changes on both the extracellular and intracellular sides are required for activation of adhesion GPCRs. We anticipate that this method will open a new avenue for understanding GPCR structure‒function relationships and drug development.
History
DepositionMay 30, 2023Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Sep 6, 2023Provider: repository / Type: Initial release
Revision 1.1Jan 3, 2024Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.year

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Beta-2 adrenergic receptor,Soluble cytochrome b562
hetero molecules


Theoretical massNumber of molelcules
Total (without water)51,9812
Polymers51,5941
Non-polymers3861
Water0
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Beta-2 adrenergic receptor,Soluble cytochrome b562 / Beta-2 adrenoreceptor / Beta-2 adrenoceptor / Cytochrome b-562


Mass: 51594.102 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human), (gene. exp.) Escherichia coli (E. coli)
Gene: ADRB2, ADRB2R, B2AR, cybC / Production host: Homo sapiens (human) / References: UniProt: P07550, UniProt: P0ABE7
#2: Chemical ChemComp-DZQ / Olodaterol / 868049-49-4


Mass: 386.442 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C21H26N2O5 / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: CELL / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: chimeric beta-2AR adrenergic receptor / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
21Homo sapiens (human)9606
31Escherichia coli (E. coli)562
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: NICKEL/TITANIUM
VitrificationCryogen name: NITROGEN

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 5000 nm / Nominal defocus min: 1200 nm
Image recordingElectron dose: 52 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 785234 / Symmetry type: POINT

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