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- PDB-7s0f: Isoproterenol bound beta1 adrenergic receptor in complex with het... -

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Basic information

Entry
Database: PDB / ID: 7s0f
TitleIsoproterenol bound beta1 adrenergic receptor in complex with heterotrimeric Gi protein
Components
  • Beta1-Adrenergic Receptor
  • Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
  • Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
  • Guanine nucleotide-binding protein G(i) subunit alpha-1,
KeywordsSIGNALING PROTEIN / Gi protein / GPCR-Gi complex / agonist
Function / homology
Function and homology information


Extra-nuclear estrogen signaling / Adenylate cyclase inhibitory pathway / Olfactory Signaling Pathway / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Activation of the phototransduction cascade / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / GTPase activating protein binding / negative regulation of synaptic transmission ...Extra-nuclear estrogen signaling / Adenylate cyclase inhibitory pathway / Olfactory Signaling Pathway / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Activation of the phototransduction cascade / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / GTPase activating protein binding / negative regulation of synaptic transmission / 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 (i) signalling events / 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 / neurotransmitter receptor localization to postsynaptic specialization membrane / G alpha (i) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / D2 dopamine receptor binding / positive regulation of protein localization to cell cortex / regulation of cAMP-mediated signaling / G protein-coupled serotonin receptor binding / cellular response to forskolin / regulation of mitotic spindle organization / G protein-coupled receptor binding / G-protein beta/gamma-subunit complex binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / photoreceptor disc membrane / cellular response to catecholamine stimulus / adenylate cyclase-activating dopamine receptor signaling pathway / GDP binding / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / signaling receptor complex adaptor activity / cell cortex / midbody / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / postsynapse / G protein-coupled receptor signaling pathway / cell division / GTPase activity / centrosome / glutamatergic synapse / GTP binding / magnesium ion binding / protein-containing complex / membrane / nucleus / plasma membrane / cytoplasm
Similarity search - Function
G-protein alpha subunit, group I / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G-alpha domain profile. / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / G-protein gamma-like domain / G-protein gamma-like domain superfamily ...G-protein alpha subunit, group I / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G-alpha domain profile. / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / G-protein gamma-like domain / G-protein gamma-like domain superfamily / GGL domain / G protein gamma subunit-like motifs / GGL domain / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
ISOPRENALINE / Guanine nucleotide-binding protein G(i) subunit alpha-1 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Similarity search - Component
Biological speciesMeleagris gallopavo (turkey)
Bos taurus (cattle)
Rattus norvegicus (Norway rat)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.96 Å
AuthorsPaknejad, N. / Alegre, K.O. / Su, M. / Lou, J.S. / Huang, J. / Jordan, K.D. / Eng, E.T. / Meyerson, J.R. / Hite, R.K. / Huang, X.Y.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM138676 United States
CitationJournal: Nat Struct Mol Biol / Year: 2021
Title: Structural basis and mechanism of activation of two different families of G proteins by the same GPCR.
Authors: Kamela O Alegre / Navid Paknejad / Minfei Su / Jian-Shu Lou / Jianyun Huang / Kelsey D Jordan / Edward T Eng / Joel R Meyerson / Richard K Hite / Xin-Yun Huang /
Abstract: The β-adrenergic receptor (β-AR) can activate two families of G proteins. When coupled to Gs, β-AR increases cardiac output, and coupling to Gi leads to decreased responsiveness in myocardial ...The β-adrenergic receptor (β-AR) can activate two families of G proteins. When coupled to Gs, β-AR increases cardiac output, and coupling to Gi leads to decreased responsiveness in myocardial infarction. By comparative structural analysis of turkey β-AR complexed with either Gi or Gs, we investigate how a single G-protein-coupled receptor simultaneously signals through two G proteins. We find that, although the critical receptor-interacting C-terminal α5-helices on Gα and Gα interact similarly with β-AR, the overall interacting modes between β-AR and G proteins vary substantially. Functional studies reveal the importance of the differing interactions and provide evidence that the activation efficacy of G proteins by β-AR is determined by the entire three-dimensional interaction surface, including intracellular loops 2 and 4 (ICL2 and ICL4).
History
DepositionAug 30, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 17, 2021Provider: repository / Type: Initial release
Revision 1.1Dec 1, 2021Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Oct 23, 2024Group: Data collection / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification

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Assembly

Deposited unit
R: Beta1-Adrenergic Receptor
B: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
A: Guanine nucleotide-binding protein G(i) subunit alpha-1,
G: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)146,4485
Polymers146,2374
Non-polymers2111
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area8690 Å2
ΔGint-62 kcal/mol
Surface area41670 Å2

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Components

#1: Protein Beta1-Adrenergic Receptor


Mass: 57958.668 Da / Num. of mol.: 1 / Mutation: R68S, M90V
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Meleagris gallopavo (turkey) / Production host: Spodoptera frugiperda (fall armyworm)
#2: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Transducin beta chain 1


Mass: 37285.734 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (cattle) / Gene: GNB1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P62871
#3: Protein Guanine nucleotide-binding protein G(i) subunit alpha-1, / Adenylate cyclase-inhibiting G alpha protein


Mass: 43147.070 Da / Num. of mol.: 1 / Mutation: G203A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: Gnai1, Gnai-1 / Production host: Escherichia coli (E. coli) / References: UniProt: P10824
#4: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / G gamma-I


Mass: 7845.078 Da / Num. of mol.: 1 / Mutation: C68S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (cattle) / Gene: GNG2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P63212
#5: Chemical ChemComp-5FW / ISOPRENALINE


Mass: 211.258 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C11H17NO3 / Feature type: SUBJECT OF INVESTIGATION / Comment: medication*YM
Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

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

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Sample preparation

ComponentName: Isoproterenol bound beta1 adrenergic receptor in complex with heterotrimeric Gi protein
Type: COMPLEX / Entity ID: #1-#4 / Source: MULTIPLE SOURCES
Molecular weightValue: 0.146 MDa / Experimental value: NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
31Bos taurus (cattle)9913
41Meleagris gallopavo (turkey)9103
51Rattus norvegicus (Norway rat)10116
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-ID
31Escherichia coli (E. coli)562
41Spodoptera frugiperda (fall armyworm)7108
Buffer solutionpH: 7
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 400 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K

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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 FIELD
Image recordingElectron dose: 67 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Num. of real images: 2815
Image scansMovie frames/image: 40

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Processing

EM software
IDNameVersionCategory
10cryoSPARCv2initial Euler assignment
11cryoSPARCv2final Euler assignment
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.96 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 227041 / Symmetry type: POINT

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