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- EMDB-36989: Full agonist-bound mu-type opioid receptor-G protein complex -

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Basic information

Entry
Database: EMDB / ID: EMD-36989
TitleFull agonist-bound mu-type opioid receptor-G protein complex
Map data
Sample
  • Complex: Full agonist-bound mu-type opioid receptor-G protein complex
    • Protein or peptide: Soluble cytochrome b562,Mu-type opioid receptor
    • Protein or peptide: DAMGO
    • Protein or peptide: G protein subunit alpha i3
    • Protein or peptide: Guanine nucleotide binding protein, beta polypeptide 1
    • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Protein or peptide: scFv16
KeywordsSIGNALING PROTEIN
Function / homology
Function and homology information


positive regulation of cAMP-mediated signaling / Opioid Signalling / beta-endorphin receptor activity / morphine receptor activity / negative regulation of Wnt protein secretion / negative regulation of cAMP-mediated signaling / regulation of cellular response to stress / G protein-coupled opioid receptor signaling pathway / negative regulation of nitric oxide biosynthetic process / behavioral response to ethanol ...positive regulation of cAMP-mediated signaling / Opioid Signalling / beta-endorphin receptor activity / morphine receptor activity / negative regulation of Wnt protein secretion / negative regulation of cAMP-mediated signaling / regulation of cellular response to stress / G protein-coupled opioid receptor signaling pathway / negative regulation of nitric oxide biosynthetic process / behavioral response to ethanol / adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway / sensory perception / neuropeptide binding / regulation of NMDA receptor activity / GTP metabolic process / positive regulation of neurogenesis / negative regulation of cytosolic calcium ion concentration / positive regulation of macroautophagy / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / G-protein alpha-subunit binding / neuropeptide signaling pathway / voltage-gated calcium channel activity / MECP2 regulates neuronal receptors and channels / sensory perception of pain / Peptide ligand-binding receptors / G protein-coupled receptor binding / electron transport chain / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / G protein-coupled receptor activity / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / centriolar satellite / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / GDP binding / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / positive regulation of nitric oxide biosynthetic process / ADP signalling through P2Y purinoceptor 1 / 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 / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / G alpha (12/13) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / positive regulation of cytosolic calcium ion concentration / Ca2+ pathway / midbody / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / fibroblast proliferation / G alpha (i) signalling events / Interleukin-4 and Interleukin-13 signaling / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / perikaryon / periplasmic space / electron transfer activity / Extra-nuclear estrogen signaling / positive regulation of ERK1 and ERK2 cascade / neuron projection / endosome / ciliary basal body / G protein-coupled receptor signaling pathway / iron ion binding / axon / Golgi membrane / negative regulation of cell population proliferation / cell division / GTPase activity / synapse / heme binding / dendrite / endoplasmic reticulum membrane / GTP binding / nucleolus / endoplasmic reticulum / Golgi apparatus / signal transduction / extracellular exosome / nucleoplasm / metal ion binding / membrane
Similarity search - Function
Mu opioid receptor / Opioid receptor / Cytochrome b562 / Cytochrome b562 / Cytochrome c/b562 / 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. ...Mu opioid receptor / Opioid receptor / Cytochrome b562 / Cytochrome b562 / Cytochrome c/b562 / 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 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. / WD domain, G-beta repeat / 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 / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
G protein subunit alpha i3 / Guanine nucleotide binding protein, beta polypeptide 1 / Soluble cytochrome b562 / Mu-type opioid receptor / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Similarity search - Component
Biological speciesHomo sapiens (human) / synthetic construct (others) / Macaca mulatta (Rhesus monkey)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.98 Å
AuthorsUchikubo-Kamo T / Shirouzu M / Hisano T / Imai S / Kaneko S / Shimada I
Funding support Japan, 4 items
OrganizationGrant numberCountry
Japan Society for the Promotion of Science (JSPS)JP17H06097 Japan
Japan Society for the Promotion of Science (JSPS)JP21H02619 Japan
Japan Society for the Promotion of Science (JSPS)JP23KJ0574 Japan
Japan Agency for Medical Research and Development (AMED)21ae0121028h0001 Japan
CitationJournal: Nat Commun / Year: 2024
Title: Structural and dynamic insights into the activation of the μ-opioid receptor by an allosteric modulator.
Authors: Shun Kaneko / Shunsuke Imai / Tomomi Uchikubo-Kamo / Tamao Hisano / Nobuaki Asao / Mikako Shirouzu / Ichio Shimada /
Abstract: G-protein-coupled receptors (GPCRs) play pivotal roles in various physiological processes. These receptors are activated to different extents by diverse orthosteric ligands and allosteric modulators. ...G-protein-coupled receptors (GPCRs) play pivotal roles in various physiological processes. These receptors are activated to different extents by diverse orthosteric ligands and allosteric modulators. However, the mechanisms underlying these variations in signaling activity by allosteric modulators remain largely elusive. Here, we determine the three-dimensional structure of the μ-opioid receptor (MOR), a class A GPCR, in complex with the G protein and an allosteric modulator, BMS-986122, using cryogenic electron microscopy. Our results reveal that BMS-986122 binding induces changes in the map densities corresponding to R167 and Y254, key residues in the structural motifs conserved among class A GPCRs. Nuclear magnetic resonance analyses of MOR in the absence of the G protein reveal that BMS-986122 binding enhances the formation of the interaction between R167 and Y254, thus stabilizing the fully-activated conformation, where the intracellular half of TM6 is outward-shifted to allow for interaction with the G protein. These findings illuminate that allosteric modulators like BMS-986122 can potentiate receptor activation through alterations in the conformational dynamics in the core region of GPCRs. Together, our results demonstrate the regulatory mechanisms of GPCRs, providing insights into the rational development of therapeutics targeting GPCRs.
History
DepositionAug 1, 2023-
Header (metadata) releaseMay 29, 2024-
Map releaseMay 29, 2024-
UpdateOct 23, 2024-
Current statusOct 23, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_36989.png

Downloads & links

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Map

FileDownload / File: emd_36989.map.gz / Format: CCP4 / Size: 83.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 280 pix.
= 232.12 Å		0.83 Å/pix.
x 280 pix.
= 232.12 Å		0.83 Å/pix.
x 280 pix.
= 232.12 Å

Surface

Projections

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Images are generated by Spider.

Voxel sizeX=Y=Z: 0.829 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.025
Minimum - Maximum-0.12787627 - 0.21389598
Average (Standard dev.)0.0000033161348 (±0.0044684904)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions280280280
Spacing280280280
CellA=B=C: 232.12 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_36989_half_map_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_36989_half_map_2.map
Projections & Slices
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Histogram (log scale)

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Sample components

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Entire : Full agonist-bound mu-type opioid receptor-G protein complex

EntireName: Full agonist-bound mu-type opioid receptor-G protein complex
Components
  • Complex: Full agonist-bound mu-type opioid receptor-G protein complex
    • Protein or peptide: Soluble cytochrome b562,Mu-type opioid receptor
    • Protein or peptide: DAMGO
    • Protein or peptide: G protein subunit alpha i3
    • Protein or peptide: Guanine nucleotide binding protein, beta polypeptide 1
    • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Protein or peptide: scFv16

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Supramolecule #1: Full agonist-bound mu-type opioid receptor-G protein complex

SupramoleculeName: Full agonist-bound mu-type opioid receptor-G protein complex
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Soluble cytochrome b562,Mu-type opioid receptor

MacromoleculeName: Soluble cytochrome b562,Mu-type opioid receptor / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 51.321855 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: CLVFADYKDD DDALEVLFQG PMADLEDNWE TLNDNLKVIE KADNAAQVKD ALTKMRAAAL DAQKATPPKL EDKSPDSPEM KDFRHGFDI LVGQIDDALK LANEGKVKEA QAAAEQLKTT RNAYIQKYLG GSPGARSASS PSMITAITIM ALYSIVCVVG L FGNFLVMY ...String:
CLVFADYKDD DDALEVLFQG PMADLEDNWE TLNDNLKVIE KADNAAQVKD ALTKMRAAAL DAQKATPPKL EDKSPDSPEM KDFRHGFDI LVGQIDDALK LANEGKVKEA QAAAEQLKTT RNAYIQKYLG GSPGARSASS PSMITAITIM ALYSIVCVVG L FGNFLVMY VIVRYTKMKT ATNIYIFNLA LADALATSTL PFQSVNYLMG TWPFGTILCK IVISIDYYNM FTSIWTLCTM SV DRYIAVC HPVKALDFRT PRNAKIINVC NWILSSAIGL PVMFMATTKY RQGSIDCTLT FSHPTWYWEN LLKICVFIFA FIM PVLIIT VCYGLMILRL KSVRMLSGSK EKDRNLRRIT RMVLVVVAVF IVCWTPIHIY VIIKALVTIP ETTFQTVSWH FCIA LGYTN SCLNPVLYAF LDENFKRCFR EFCIPTSSNI EQLEVLFQGP HHHHHHHH

UniProtKB: Soluble cytochrome b562, Mu-type opioid receptor

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Macromolecule #2: DAMGO

MacromoleculeName: DAMGO / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 513.587 Da
SequenceString:
Y(DAL)G(MEA)(ETA)

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Macromolecule #3: G protein subunit alpha i3

MacromoleculeName: G protein subunit alpha i3 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Macaca mulatta (Rhesus monkey)
Molecular weightTheoretical: 40.585137 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGCTLSAEDK AAVERSKMID RNLREDGEKA AKEVKLLLLG AGESGKSTIV KQMKIIHEDG YSEDECKQYK VVVYSNTIQS IIAIIRAMG RLKIDFGEAA RADDARQLFV LAGSAEEGVM TPELAGVIKR LWRDGGVQAC FSRSREYQLN DSASYYLNDL D RISQSNYI ...String:
MGCTLSAEDK AAVERSKMID RNLREDGEKA AKEVKLLLLG AGESGKSTIV KQMKIIHEDG YSEDECKQYK VVVYSNTIQS IIAIIRAMG RLKIDFGEAA RADDARQLFV LAGSAEEGVM TPELAGVIKR LWRDGGVQAC FSRSREYQLN DSASYYLNDL D RISQSNYI PTQQDVLRTR VKTTGIVETH FTFKDLYFKM FDVGGQRSER KKWIHCFEGV TAIIFCVALS DYDLVLAEDE EM NRMHESM KLFDSICNNK WFTETSIILF LNKKDLFEEK IKRSPLTICY PEYTGSNTYE EAAAYIQCQF EDLNRRKDTK EIY THFTCA TDTKNVQFVF DAVTDVIIKN NLKECGLY

UniProtKB: G protein subunit alpha i3

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Macromolecule #4: Guanine nucleotide binding protein, beta polypeptide 1

MacromoleculeName: Guanine nucleotide binding protein, beta polypeptide 1
type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 38.522098 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MHHHHHHHHS ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLVS ASQDGKLII WDSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG HTGYLSCCRF L DDNQIVTS ...String:
MHHHHHHHHS ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLVS ASQDGKLII WDSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG HTGYLSCCRF L DDNQIVTS SGDTTCALWD IETGQQTTTF TGHTGDVMSL SLAPDTRLFV SGACDASAKL WDVREGMCRQ TFTGHESDIN AI CFFPNGN AFATGSDDAT CRLFDLRADQ ELMTYSHDNI ICGITSVSFS KSGRLLLAGY DDFNCNVWDA LKADRAGVLA GHD NRVSCL GVTDDGMAVA TGSWDSFLKI WN

UniProtKB: Guanine nucleotide binding protein, beta polypeptide 1

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Macromolecule #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 7.861143 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
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 #6: scFv16

MacromoleculeName: scFv16 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 27.409588 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...String:
DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL KAAALEVLFQ

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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
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Quantum LS / Energy filter - Slit width: 15 eV
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average exposure time: 2.3 sec. / Average electron dose: 50.5 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: 0.8 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

Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.98 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.1.2) / Number images used: 308249
Initial angle assignmentType: OTHER / Software - Name: RELION (ver. 3.1.2)
Final angle assignmentType: ANGULAR RECONSTITUTION / Software - Name: RELION (ver. 3.1.2)
Final 3D classificationSoftware - Name: RELION (ver. 3.1.2)
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: RIGID BODY FIT
Output model

PDB-8k9k:
Full agonist-bound mu-type opioid receptor-G protein complex

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