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- EMDB-32965: Cryo-EM structure of the tavapadon-bound D1 dopamine receptor and... -

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Entry
Database: EMDB / ID: EMD-32965
TitleCryo-EM structure of the tavapadon-bound D1 dopamine receptor and mini-Gs complex
Map data
Sample
  • Complex: Cryo-EM structure of the tavapadon-bound D1R-miniGs complex
    • Complex: tavapadon-bound D1R-miniGs
      • Protein or peptide: D(1A) dopamine receptor
      • Protein or peptide: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: nanobody35
      • Protein or peptide: Nanobody35
  • Ligand: CHOLESTEROL
  • Ligand: 1,5-dimethyl-6-[2-methyl-4-[3-(trifluoromethyl)pyridin-2-yl]oxy-phenyl]pyrimidine-2,4-dione
KeywordsGPCR / dopamine receptor / mini-Gs / MEMBRANE PROTEIN / tavapadon
Function / homology
Function and homology information


dopamine neurotransmitter receptor activity, coupled via Gs / dopamine neurotransmitter receptor activity / operant conditioning / cerebral cortex GABAergic interneuron migration / Dopamine receptors / dopamine binding / regulation of dopamine uptake involved in synaptic transmission / phospholipase C-activating dopamine receptor signaling pathway / peristalsis / heterotrimeric G-protein binding ...dopamine neurotransmitter receptor activity, coupled via Gs / dopamine neurotransmitter receptor activity / operant conditioning / cerebral cortex GABAergic interneuron migration / Dopamine receptors / dopamine binding / regulation of dopamine uptake involved in synaptic transmission / phospholipase C-activating dopamine receptor signaling pathway / peristalsis / heterotrimeric G-protein binding / modification of postsynaptic structure / G protein-coupled receptor complex / positive regulation of neuron migration / grooming behavior / habituation / regulation of dopamine metabolic process / dopamine transport / sensitization / astrocyte development / dentate gyrus development / striatum development / positive regulation of potassium ion transport / conditioned taste aversion / maternal behavior / arrestin family protein binding / non-motile cilium / long-term synaptic depression / mating behavior / adult walking behavior / ciliary membrane / G protein-coupled dopamine receptor signaling pathway / temperature homeostasis / : / dopamine metabolic process / transmission of nerve impulse / G-protein alpha-subunit binding / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / prepulse inhibition / positive regulation of synaptic transmission, glutamatergic / behavioral fear response / neuronal action potential / synapse assembly / adenylate cyclase-activating adrenergic receptor signaling pathway / behavioral response to cocaine / presynaptic modulation of chemical synaptic transmission / positive regulation of release of sequestered calcium ion into cytosol / response to amphetamine / synaptic transmission, glutamatergic / visual learning / G protein-coupled receptor activity / GABA-ergic synapse / vasodilation / memory / long-term synaptic potentiation / Olfactory Signaling Pathway / adenylate cyclase-activating G protein-coupled receptor signaling pathway / Activation of the phototransduction cascade / protein import into nucleus / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / 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 / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / ADP signalling through P2Y purinoceptor 1 / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / G-protein beta-subunit binding / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / Inactivation, recovery and regulation of the phototransduction cascade / G alpha (12/13) signalling events / extracellular vesicle / sensory perception of taste / Thrombin signalling through proteinase activated receptors (PARs) / signaling receptor complex adaptor activity / presynaptic membrane / retina development in camera-type eye / GTPase binding / Ca2+ pathway / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells
Similarity search - Function
Dopamine D1 receptor / Dopamine receptor 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 ...Dopamine D1 receptor / Dopamine receptor 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. / 7 transmembrane receptor (rhodopsin family) / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 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
D(1A) dopamine 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
Similarity search - Component
Biological speciesHomo sapiens (human) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.3 Å
AuthorsTeng X / Zheng S
Funding support China, 1 items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, China) China
CitationJournal: Nat Commun / Year: 2022
Title: Ligand recognition and biased agonism of the D1 dopamine receptor.
Authors: Xiao Teng / Sijia Chen / Yingying Nie / Peng Xiao / Xiao Yu / Zhenhua Shao / Sanduo Zheng /
Abstract: Dopamine receptors are widely distributed in the central nervous system and are important therapeutic targets for treatment of various psychiatric and neurological diseases. Here, we report three ...Dopamine receptors are widely distributed in the central nervous system and are important therapeutic targets for treatment of various psychiatric and neurological diseases. Here, we report three cryo-electron microscopy structures of the D1 dopamine receptor (D1R)-Gs complex bound to two agonists, fenoldopam and tavapadon, and a positive allosteric modulator LY3154207. The structure reveals unusual binding of two fenoldopam molecules, one to the orthosteric binding pocket (OBP) and the other to the extended binding pocket (EBP). In contrast, one elongated tavapadon molecule binds to D1R, extending from OBP to EBP. Moreover, LY3154207 stabilizes the second intracellular loop of D1R in an alpha helical conformation to efficiently engage the G protein. Through a combination of biochemical, biophysical and cellular assays, we further show that the broad conformation stabilized by two fenoldopam molecules and interaction between TM5 and the agonist are important for biased signaling of D1R.
History
DepositionFeb 25, 2022-
Header (metadata) releaseJun 15, 2022-
Map releaseJun 15, 2022-
UpdateJul 2, 2025-
Current statusJul 2, 2025Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_32965.png

Downloads & links

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Map

FileDownload / File: emd_32965.map.gz / Format: CCP4 / Size: 22.2 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.09 Å/pix.
x 180 pix.
= 195.66 Å		1.09 Å/pix.
x 180 pix.
= 195.66 Å		1.09 Å/pix.
x 180 pix.
= 195.66 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.087 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.45
Minimum - Maximum-3.3657947 - 4.6142864
Average (Standard dev.)0.0021685746 (±0.13511892)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions180180180
Spacing180180180
CellA=B=C: 195.66 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Cryo-EM structure of the tavapadon-bound D1R-miniGs complex

EntireName: Cryo-EM structure of the tavapadon-bound D1R-miniGs complex
Components
  • Complex: Cryo-EM structure of the tavapadon-bound D1R-miniGs complex
    • Complex: tavapadon-bound D1R-miniGs
      • Protein or peptide: D(1A) dopamine receptor
      • Protein or peptide: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: nanobody35
      • Protein or peptide: Nanobody35
  • Ligand: CHOLESTEROL
  • Ligand: 1,5-dimethyl-6-[2-methyl-4-[3-(trifluoromethyl)pyridin-2-yl]oxy-phenyl]pyrimidine-2,4-dione

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Supramolecule #1: Cryo-EM structure of the tavapadon-bound D1R-miniGs complex

SupramoleculeName: Cryo-EM structure of the tavapadon-bound D1R-miniGs complex
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #2: tavapadon-bound D1R-miniGs

SupramoleculeName: tavapadon-bound D1R-miniGs / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1-#4

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Supramolecule #3: nanobody35

SupramoleculeName: nanobody35 / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #5

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Macromolecule #1: D(1A) dopamine receptor

MacromoleculeName: D(1A) dopamine receptor / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.409656 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MKTIIALSYI FCLVFADYKD DDDASIDMRT LNTSAMDGTG LVVERDFSVR ILTACFLSLL ILSTLLGNTL VCAAVIRFRH LRSKVTNFF VISLAVSDLL VAVLVMPWKA VAEIAGFWPF GSFCNIWVAF DIMCSTASIL NLCVISVDRY WAISSPFRYE R KMTPKAAF ...String:
MKTIIALSYI FCLVFADYKD DDDASIDMRT LNTSAMDGTG LVVERDFSVR ILTACFLSLL ILSTLLGNTL VCAAVIRFRH LRSKVTNFF VISLAVSDLL VAVLVMPWKA VAEIAGFWPF GSFCNIWVAF DIMCSTASIL NLCVISVDRY WAISSPFRYE R KMTPKAAF ILISVAWTLS VLISFIPVQL SWHKAKPTSP SDGNATSLAE TIDNCDSSLS RTYAISSSVI SFYIPVAIMI VT YTRIYRI AQKQIRRIAA LERAAVHAKN CQTTTGNGKP VECSQPESSF KMSFKRETKV LKTLSVIMGV FVCCWLPFFI LNC ILPFCG SGETQPFCID SNTFDVFVWF GWANSSLNPI IYAFNADFRK AFSTLLGCYR LCPATNNAIE TVSINNNGAA MFSS HHEPR GSISKECNLV YLIPHAVGSS EDLKKEEAAG IARPLEKLSP ALSVILDYDT DVSLEKIQPI TQNGQHPT

UniProtKB: D(1A) dopamine receptor

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Macromolecule #2: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short

MacromoleculeName: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 28.907684 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: NSKTEDQRNE EKAQREANKK IEKQLQKDKQ VYRATHRLLL LGADNSGKST IVKQMRILHG GSGGSGGTSG IFETKFQVDK VNFHMFDVG GQRDERRKWI QCFNDVTAII FVVDSSDYNR LQEALNLFKS IWNNRWLRTI SVILFLNKQD LLAEKVLAGK S KIEDYFPE ...String:
NSKTEDQRNE EKAQREANKK IEKQLQKDKQ VYRATHRLLL LGADNSGKST IVKQMRILHG GSGGSGGTSG IFETKFQVDK VNFHMFDVG GQRDERRKWI QCFNDVTAII FVVDSSDYNR LQEALNLFKS IWNNRWLRTI SVILFLNKQD LLAEKVLAGK S KIEDYFPE FARYTTPEDA TPEPGEDPRV TRAKYFIRDE FLRISTASGD GRHYCYPHFT CAVDTENARR IFNDCRDIIQ RM HLRQYEL L

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Macromolecule #3: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 39.418086 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MHHHHHHLEV LFQGPGSSGS ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLV SASQDGKLII WDSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG H TGYLSCCR ...String:
MHHHHHHLEV LFQGPGSSGS ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLV SASQDGKLII WDSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG H TGYLSCCR FLDDNQIVTS SGDTTCALWD IETGQQTTTF TGHTGDVMSL SLAPDTRLFV SGACDASAKL WDVREGMCRQ TF TGHESDI NAICFFPNGN AFATGSDDAT CRLFDLRADQ ELMTYSHDNI ICGITSVSFS KSGRLLLAGY DDFNCNVWDA LKA DRAGVL AGHDNRVSCL GVTDDGMAVA TGSWDSFLKI WN

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

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Macromolecule #4: 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: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 7.845078 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFSAI L

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

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Macromolecule #5: Nanobody35

MacromoleculeName: Nanobody35 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 17.352498 KDa
SequenceString:
MKYLLPTAAA GLLLLAAQPA MAQVQLQESG GGLVQPGGSL RLSCAASGFT FSNYKMNWVR QAPGKGLEWV SDISQSGASI SYTGSVKGR FTISRDNAKN TLYLQMNSLK PEDTAVYYCA RCPAPFTRDC FDVTSTTYAY RGQGTQVTVS SHHHHHHEPE A

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Macromolecule #6: CHOLESTEROL

MacromoleculeName: CHOLESTEROL / type: ligand / ID: 6 / Number of copies: 1 / Formula: CLR
Molecular weightTheoretical: 386.654 Da
Chemical component information

ChemComp-CLR:
CHOLESTEROL

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Macromolecule #7: 1,5-dimethyl-6-[2-methyl-4-[3-(trifluoromethyl)pyridin-2-yl]oxy-p...

MacromoleculeName: 1,5-dimethyl-6-[2-methyl-4-[3-(trifluoromethyl)pyridin-2-yl]oxy-phenyl]pyrimidine-2,4-dione
type: ligand / ID: 7 / Number of copies: 1 / Formula: 86W
Molecular weightTheoretical: 391.344 Da
Chemical component information

ChemComp-86W:
1,5-dimethyl-6-[2-methyl-4-[3-(trifluoromethyl)pyridin-2-yl]oxy-phenyl]pyrimidine-2,4-dione / agonist*YM

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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

Concentration4.0 mg/mL
BufferpH: 7.5
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 35 sec.
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 281 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Number real images: 1861 / Average electron dose: 50.0 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: 0.7000000000000001 µm / Nominal magnification: 64000
Sample stageCooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 1964454
CTF correctionSoftware - Name: cryoSPARC (ver. v3)
Software - details: CTF parameters were estimated using patch-based CTF estimation
Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: EMDB MAP
EMDB ID:

31404

Final reconstructionNumber classes used: 1 / Resolution.type: BY AUTHOR / Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 399390
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final 3D classificationNumber classes: 3

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