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- EMDB-40101: CryoEM structure of beta-2-adrenergic receptor in complex with Gs... -

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Entry
Database: EMDB / ID: EMD-40101
TitleCryoEM structure of beta-2-adrenergic receptor in complex with Gs heterotrimer, 5 sec after GTP addition (#6 of 20)
Map dataSharpened map
Sample
  • Complex: Complex of beta-2 adrenergic receptor and Gs heterotrimer, 5 sec post GTP treatment
    • Protein or peptide: G protein alpha s (short)
    • Protein or peptide: G protein beta 1
    • Protein or peptide: G protein gamma 2
    • Protein or peptide: Beta-2 adrenergic receptor
KeywordsGPCR / Adrenergic / Receptor / G protein / SIGNALING PROTEIN
Function / homology
Function and homology information


positive regulation of mini excitatory postsynaptic potential / beta2-adrenergic receptor activity / negative regulation of smooth muscle contraction / AMPA selective glutamate receptor signaling pathway / positive regulation of autophagosome maturation / norepinephrine-epinephrine-mediated vasodilation involved in regulation of systemic arterial blood pressure / heat generation / norepinephrine binding / Adrenoceptors / positive regulation of lipophagy ...positive regulation of mini excitatory postsynaptic potential / beta2-adrenergic receptor activity / negative regulation of smooth muscle contraction / AMPA selective glutamate receptor signaling pathway / positive regulation of autophagosome maturation / norepinephrine-epinephrine-mediated vasodilation involved in regulation of systemic arterial blood pressure / heat generation / norepinephrine binding / Adrenoceptors / positive regulation of lipophagy / negative regulation of multicellular organism growth / negative regulation of G protein-coupled receptor signaling pathway / endosome to lysosome transport / adrenergic receptor signaling pathway / response to psychosocial stress / diet induced thermogenesis / positive regulation of cAMP/PKA signal transduction / adenylate cyclase binding / smooth muscle contraction / bone resorption / potassium channel regulator activity / positive regulation of bone mineralization / neuronal dense core vesicle / brown fat cell differentiation / intercellular bridge / regulation of sodium ion transport / adenylate cyclase-activating adrenergic receptor signaling pathway / receptor-mediated endocytosis / response to cold / clathrin-coated endocytic vesicle membrane / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / 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 / G protein-coupled acetylcholine receptor signaling pathway / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / cellular response to amyloid-beta / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / ADP signalling through P2Y purinoceptor 12 / photoreceptor disc membrane / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / mitotic spindle / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / adenylate cyclase-activating dopamine receptor signaling pathway / GPER1 signaling / Inactivation, recovery and regulation of the phototransduction cascade / Cargo recognition for clathrin-mediated endocytosis / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / G alpha (12/13) signalling events / sensory perception of taste / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / Clathrin-mediated endocytosis / positive regulation of cold-induced thermogenesis / amyloid-beta binding / retina development in camera-type eye / microtubule cytoskeleton / GTPase binding / Ca2+ pathway / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / Ras protein signal transduction / transcription by RNA polymerase II / early endosome / Extra-nuclear estrogen signaling / cell surface receptor signaling pathway / cell population proliferation / lysosome / receptor complex / endosome / endosome membrane / positive regulation of MAPK cascade / Ub-specific processing proteases / cilium / ciliary basal body
Similarity search - Function
Beta 2 adrenoceptor / Adrenoceptor family / Serpentine type 7TM GPCR chemoreceptor Srsx / 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 ...Beta 2 adrenoceptor / Adrenoceptor family / Serpentine type 7TM GPCR chemoreceptor Srsx / 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 / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / 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) / 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. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily
Similarity search - Domain/homology
Beta-2 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 / Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsPapasergi-Scott MM / Skiniotis G
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) United States
CitationJournal: Nature / Year: 2024
Title: Time-resolved cryo-EM of G-protein activation by a GPCR.
Authors: Makaía M Papasergi-Scott / Guillermo Pérez-Hernández / Hossein Batebi / Yang Gao / Gözde Eskici / Alpay B Seven / Ouliana Panova / Daniel Hilger / Marina Casiraghi / Feng He / Luis Maul ...Authors: Makaía M Papasergi-Scott / Guillermo Pérez-Hernández / Hossein Batebi / Yang Gao / Gözde Eskici / Alpay B Seven / Ouliana Panova / Daniel Hilger / Marina Casiraghi / Feng He / Luis Maul / Peter Gmeiner / Brian K Kobilka / Peter W Hildebrand / Georgios Skiniotis /
Abstract: G-protein-coupled receptors (GPCRs) activate heterotrimeric G proteins by stimulating guanine nucleotide exchange in the Gα subunit. To visualize this mechanism, we developed a time-resolved cryo-EM ...G-protein-coupled receptors (GPCRs) activate heterotrimeric G proteins by stimulating guanine nucleotide exchange in the Gα subunit. To visualize this mechanism, we developed a time-resolved cryo-EM approach that examines the progression of ensembles of pre-steady-state intermediates of a GPCR-G-protein complex. By monitoring the transitions of the stimulatory G protein in complex with the β-adrenergic receptor at short sequential time points after GTP addition, we identified the conformational trajectory underlying G-protein activation and functional dissociation from the receptor. Twenty structures generated from sequential overlapping particle subsets along this trajectory, compared to control structures, provide a high-resolution description of the order of main events driving G-protein activation in response to GTP binding. Structural changes propagate from the nucleotide-binding pocket and extend through the GTPase domain, enacting alterations to Gα switch regions and the α5 helix that weaken the G-protein-receptor interface. Molecular dynamics simulations with late structures in the cryo-EM trajectory support that enhanced ordering of GTP on closure of the α-helical domain against the nucleotide-bound Ras-homology domain correlates with α5 helix destabilization and eventual dissociation of the G protein from the GPCR. These findings also highlight the potential of time-resolved cryo-EM as a tool for mechanistic dissection of GPCR signalling events.
History
DepositionMar 16, 2023-
Header (metadata) releaseMar 6, 2024-
Map releaseMar 6, 2024-
UpdateJun 12, 2024-
Current statusJun 12, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_40101.png

Downloads & links

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Map

FileDownload / File: emd_40101.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationSharpened map
Projections & slices

Image control

Size
Brightness
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Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.87 Å/pix.
x 400 pix.
= 347.08 Å		0.87 Å/pix.
x 400 pix.
= 347.08 Å		0.87 Å/pix.
x 400 pix.
= 347.08 Å

Surface

Projections

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Images are generated by Spider.

Voxel sizeX=Y=Z: 0.8677 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.18
Minimum - Maximum-0.78815204 - 1.3056717
Average (Standard dev.)-0.0004510557 (±0.02800486)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 347.08 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_40101_msk_1.map
Projections & Slices
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Additional map: Unsharpened map

Fileemd_40101_additional_1.map
AnnotationUnsharpened map
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Half map: Half map

Fileemd_40101_half_map_1.map
AnnotationHalf map
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Half map: Half map

Fileemd_40101_half_map_2.map
AnnotationHalf map
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Sample components

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Entire : Complex of beta-2 adrenergic receptor and Gs heterotrimer, 5 sec ...

EntireName: Complex of beta-2 adrenergic receptor and Gs heterotrimer, 5 sec post GTP treatment
Components
  • Complex: Complex of beta-2 adrenergic receptor and Gs heterotrimer, 5 sec post GTP treatment
    • Protein or peptide: G protein alpha s (short)
    • Protein or peptide: G protein beta 1
    • Protein or peptide: G protein gamma 2
    • Protein or peptide: Beta-2 adrenergic receptor

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Supramolecule #1: Complex of beta-2 adrenergic receptor and Gs heterotrimer, 5 sec ...

SupramoleculeName: Complex of beta-2 adrenergic receptor and Gs heterotrimer, 5 sec post GTP treatment
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: G protein alpha s (short)

MacromoleculeName: G protein alpha s (short) / type: protein_or_peptide / ID: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
SequenceString: MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKSTIVKQM RILHVNGFNG DSEKATKVQD IKNNLKEAIE TIVAAMSNLV PPVELANPEN QFRVDYILSV MNVPDFDFPP EFYEHAKALW EDEGVRACYE RSNEYQLIDC AQYFLDKIDV ...String:
MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKSTIVKQM RILHVNGFNG DSEKATKVQD IKNNLKEAIE TIVAAMSNLV PPVELANPEN QFRVDYILSV MNVPDFDFPP EFYEHAKALW EDEGVRACYE RSNEYQLIDC AQYFLDKIDV IKQADYVPSD QDLLRCRVLT SGIFETKFQV DKVNFHMFDV GGQRDERRKW IQCFNDVTAI IFVVASSSYN MVIREDNQTN RLQEALNLFK SIWNNRWLRT ISVILFLNKQ DLLAEKVLAG KSKIEDYFPE FARYTTPEDA TPEPGEDPRV TRAKYFIRDE FLRISTASGD GRHYCYPHFT CAVDTENIRR VFNDCRDIIQ RMHLRQYELL

UniProtKB: Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit alpha isoforms short

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Macromolecule #2: G protein beta 1

MacromoleculeName: G protein beta 1 / type: protein_or_peptide / ID: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
SequenceString: GSSGSELDQL RQEAEQLKNQ IRDARKACAD ATLSQITNNI DPVGRIQMRT RRTLRGHLAK IYAMHWGTDS RLLVSASQDG KLIIWDSYTT NKVHAIPLRS SWVMTCAYAP SGNYVACGGL DNICSIYNLK TREGNVRVSR ELAGHTGYLS CCRFLDDNQI VTSSGDTTCA ...String:
GSSGSELDQL RQEAEQLKNQ IRDARKACAD ATLSQITNNI DPVGRIQMRT RRTLRGHLAK IYAMHWGTDS RLLVSASQDG KLIIWDSYTT NKVHAIPLRS SWVMTCAYAP SGNYVACGGL DNICSIYNLK TREGNVRVSR ELAGHTGYLS CCRFLDDNQI VTSSGDTTCA LWDIETGQQT TTFTGHTGDV MSLSLAPDTR LFVSGACDAS AKLWDVREGM CRQTFTGHES DINAICFFPN GNAFATGSDD ATCRLFDLRA DQELMTYSHD NIICGITSVS FSKSGRLLLA GYDDFNCNVW DALKADRAGV LAGHDNRVSC LGVTDDGMAV ATGSWDSFLK IWN

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

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Macromolecule #3: G protein gamma 2

MacromoleculeName: G protein gamma 2 / type: protein_or_peptide / ID: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

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Macromolecule #4: Beta-2 adrenergic receptor

MacromoleculeName: Beta-2 adrenergic receptor / type: protein_or_peptide / ID: 4 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
SequenceString: MKTIIALSYI FCLVFADYKD DDDAMGQPGN GSAFLLAPNR SHAPDHDVEN LYFQGTQQRD EVWVVGMGIV MSLIVLAIVF GNVLVITAIA KFERLQTVTN YFITSLACAD LVMGLAVVPF GAAHILTKTW TFGNFWCEFW TSIDVLCVTA SIETLCVIAV DRYFAITSPF ...String:
MKTIIALSYI FCLVFADYKD DDDAMGQPGN GSAFLLAPNR SHAPDHDVEN LYFQGTQQRD EVWVVGMGIV MSLIVLAIVF GNVLVITAIA KFERLQTVTN YFITSLACAD LVMGLAVVPF GAAHILTKTW TFGNFWCEFW TSIDVLCVTA SIETLCVIAV DRYFAITSPF KYQSLLTKNK ARVIILMVWI VSGLTSFLPI QMHWYRATHQ EAINCYAEET CCDFFTNQAY AIASSIVSFY VPLVIMVFVY SRVFQEAKRQ LQKIDKSEGR FHVQNLSQVE QDGRTGHGLR RSSKFCLKEH KALKTLGIIM GTFTLCWLPF FIVNIVHVIQ DNLIRKEVYI LLNWIGYVNS GFNPLIYCRS PDFRIAFQEL LCLRRSSLKA YGNGYSSNGN TGEQSGLEVL FQGPYHVEQE KENKLLAEDL PGTEDFVGHQ GTVPSDNIDS QGRNASTNDS LLETSQVAPA

UniProtKB: Beta-2 adrenergic receptor

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.5
GridModel: UltrAuFoil R1.2/1.3 / Support film - Material: GOLD / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Detector mode: COUNTING / Average electron dose: 60.48 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 5006746
Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 72514
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION / Software - Name: cryoSPARC
Final 3D classificationSoftware - Name: cryoSPARC
FSC plot (resolution estimation)

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