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- EMDB-21243: Structure of a D2 dopamine receptor-G-protein complex in a lipid ... -

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Entry
Database: EMDB / ID: EMD-21243
TitleStructure of a D2 dopamine receptor-G-protein complex in a lipid membrane
Map dataCatecholamine receptor structure
Sample
  • Complex: D2 dopamine receptor-G protein complex
    • Protein or peptide: Guanine nucleotide-binding protein G(i) subunit alpha-1
    • 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
    • Protein or peptide: scFv16
    • Protein or peptide: Endolysin,D(2) dopamine receptor,D(2) dopamine receptor
  • Ligand: bromoergocryptine
KeywordsDopamine / Dopamine receptor / GPCR / G protein / Parkinson's disease / SIGNALING PROTEIN
Function / homology
Function and homology information


negative regulation of dopamine receptor signaling pathway / positive regulation of dopamine uptake involved in synaptic transmission / negative regulation of dephosphorylation / negative regulation of circadian sleep/wake cycle, sleep / positive regulation of glial cell-derived neurotrophic factor production / acid secretion / dopamine neurotransmitter receptor activity, coupled via Gi/Go / nervous system process involved in regulation of systemic arterial blood pressure / regulation of synapse structural plasticity / response to histamine ...negative regulation of dopamine receptor signaling pathway / positive regulation of dopamine uptake involved in synaptic transmission / negative regulation of dephosphorylation / negative regulation of circadian sleep/wake cycle, sleep / positive regulation of glial cell-derived neurotrophic factor production / acid secretion / dopamine neurotransmitter receptor activity, coupled via Gi/Go / nervous system process involved in regulation of systemic arterial blood pressure / regulation of synapse structural plasticity / response to histamine / regulation of locomotion involved in locomotory behavior / neuron-neuron synaptic transmission / adenohypophysis development / positive regulation of renal sodium excretion / Extra-nuclear estrogen signaling / negative regulation of cellular response to hypoxia / regulation of potassium ion transport / hyaloid vascular plexus regression / cerebral cortex GABAergic interneuron migration / positive regulation of growth hormone secretion / Adenylate cyclase inhibitory pathway / negative regulation of dopamine secretion / adenylate cyclase-inhibiting dopamine receptor signaling pathway / response to inactivity / Dopamine receptors / orbitofrontal cortex development / negative regulation of neuron migration / regulation of dopamine uptake involved in synaptic transmission / branching morphogenesis of a nerve / dopamine binding / phospholipase C-activating dopamine receptor signaling pathway / heterotrimeric G-protein binding / peristalsis / drinking behavior / G protein-coupled receptor complex / grooming behavior / behavioral response to ethanol / auditory behavior / positive regulation of G protein-coupled receptor signaling pathway / dopaminergic synapse / striatum development / negative regulation of adenylate cyclase activity / positive regulation of urine volume / positive regulation of multicellular organism growth / negative regulation of synaptic transmission / G protein-coupled receptor internalization / negative regulation of synaptic transmission, glutamatergic / GTPase activating protein binding / cellular response to ethanol / non-motile cilium / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / response to iron ion / G alpha (i) signalling events / adult walking behavior / response to morphine / neurotransmitter receptor localization to postsynaptic specialization membrane / ciliary membrane / arachidonate secretion / negative regulation of cytosolic calcium ion concentration / pigmentation / temperature homeostasis / heterocyclic compound binding / positive regulation of neuroblast proliferation / regulation of synaptic transmission, GABAergic / dopamine uptake involved in synaptic transmission / regulation of dopamine secretion / positive regulation of cytokinesis / dopamine metabolic process / associative learning / behavioral response to cocaine / positive regulation of receptor internalization / sperm flagellum / response to light stimulus / endocytic vesicle / neuroblast proliferation / G-protein alpha-subunit binding / long-term memory / response to axon injury / negative regulation of protein secretion / lateral plasma membrane / potassium channel regulator activity / postsynaptic modulation of chemical synaptic transmission / prepulse inhibition / negative regulation of insulin secretion / viral release from host cell by cytolysis / positive regulation of protein localization to cell cortex / T cell migration / synapse assembly / regulation of sodium ion transport / D2 dopamine receptor binding / ionotropic glutamate receptor binding / cellular response to retinoic acid / response to prostaglandin E / G protein-coupled serotonin receptor binding / adenylate cyclase regulator activity / adenylate cyclase-inhibiting serotonin receptor signaling pathway / negative regulation of blood pressure / axon terminus / release of sequestered calcium ion into cytosol
Similarity search - Function
Dopamine D2 receptor / Dopamine receptor family / Endolysin T4 type / T4-type lysozyme / : / Glycoside hydrolase, family 24 / Phage lysozyme / Lysozyme domain superfamily / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx ...Dopamine D2 receptor / Dopamine receptor family / Endolysin T4 type / T4-type lysozyme / : / Glycoside hydrolase, family 24 / Phage lysozyme / Lysozyme domain superfamily / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / 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. / Lysozyme-like domain superfamily / 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
Endolysin / Guanine nucleotide-binding protein G(i) subunit alpha-1 / D(2) 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) / Rattus norvegicus (Norway rat)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsYin J / Chen KM
Funding support United States, 1 items
OrganizationGrant numberCountry
Welch FoundationI-1770 United States
CitationJournal: Nature / Year: 2020
Title: Structure of a D2 dopamine receptor-G-protein complex in a lipid membrane.
Authors: Jie Yin / Kuang-Yui M Chen / Mary J Clark / Mahdi Hijazi / Punita Kumari / Xiao-Chen Bai / Roger K Sunahara / Patrick Barth / Daniel M Rosenbaum /
Abstract: The D2 dopamine receptor (DRD2) is a therapeutic target for Parkinson's disease and antipsychotic drugs. DRD2 is activated by the endogenous neurotransmitter dopamine and synthetic agonist drugs such ...The D2 dopamine receptor (DRD2) is a therapeutic target for Parkinson's disease and antipsychotic drugs. DRD2 is activated by the endogenous neurotransmitter dopamine and synthetic agonist drugs such as bromocriptine, leading to stimulation of G and inhibition of adenylyl cyclase. Here we used cryo-electron microscopy to elucidate the structure of an agonist-bound activated DRD2-G complex reconstituted into a phospholipid membrane. The extracellular ligand-binding site of DRD2 is remodelled in response to agonist binding, with conformational changes in extracellular loop 2, transmembrane domain 5 (TM5), TM6 and TM7, propagating to opening of the intracellular G-binding site. The DRD2-G structure represents, to our knowledge, the first experimental model of a G-protein-coupled receptor-G-protein complex embedded in a phospholipid bilayer, which serves as a benchmark to validate the interactions seen in previous detergent-bound structures. The structure also reveals interactions that are unique to the membrane-embedded complex, including helix 8 burial in the inner leaflet, ordered lysine and arginine side chains in the membrane interfacial regions, and lipid anchoring of the G protein in the membrane. Our model of the activated DRD2 will help to inform the design of subtype-selective DRD2 ligands for multiple human central nervous system disorders.
History
DepositionJan 28, 2020-
Header (metadata) releaseFeb 12, 2020-
Map releaseJun 17, 2020-
UpdateOct 23, 2024-
Current statusOct 23, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.015
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  • Surface view colored by height
  • Surface level: 0.015
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  • Surface view with fitted model
  • Atomic models: PDB-6vms
  • Surface level: 0.015
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  • Simplified surface model + fitted atomic model
  • Atomic modelsPDB-6vms
  • Imaged by Jmol
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

Downloads & links

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Map

FileDownload / File: emd_21243.map.gz / Format: CCP4 / Size: 83.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationCatecholamine receptor structure
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 280 pix.
= 232.4 Å
0.83 Å/pix.
x 280 pix.
= 232.4 Å
0.83 Å/pix.
x 280 pix.
= 232.4 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.83 Å
Density
Contour LevelBy AUTHOR: 0.01 / Movie #1: 0.015
Minimum - Maximum-0.05794295 - 0.11460034
Average (Standard dev.)0.0003726492 (±0.0031123615)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions280280280
Spacing280280280
CellA=B=C: 232.4 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z0.830.830.83
M x/y/z280280280
origin x/y/z0.0000.0000.000
length x/y/z232.400232.400232.400
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS280280280
D min/max/mean-0.0580.1150.000

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Supplemental data

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Sample components

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Entire : D2 dopamine receptor-G protein complex

EntireName: D2 dopamine receptor-G protein complex
Components
  • Complex: D2 dopamine receptor-G protein complex
    • Protein or peptide: Guanine nucleotide-binding protein G(i) subunit alpha-1
    • 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
    • Protein or peptide: scFv16
    • Protein or peptide: Endolysin,D(2) dopamine receptor,D(2) dopamine receptor
  • Ligand: bromoergocryptine

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Supramolecule #1: D2 dopamine receptor-G protein complex

SupramoleculeName: D2 dopamine receptor-G protein complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Guanine nucleotide-binding protein G(i) subunit alpha-1

MacromoleculeName: Guanine nucleotide-binding protein G(i) subunit alpha-1
type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 40.382047 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKNTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDAA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI ...String:
MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKNTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDAA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI PTQQDVLRTR VKTTGIVETH FTFKDLHFKM FDVGAQRSER KKWIHCFEGV TAIIFCVALS DYDLVLAEDE EM NRMHASM KLFDSICNNK WFTDTSIILF LNKKDLFEEK IKKSPLTICY PEYAGSNTYE EAAAYIQCQF EDLNKRKDTK EIY THFTCA TDTKNVQFVF DAVTDVIIKN NLKDCGLF

UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-1

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Macromolecule #2: 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: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 37.41693 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL ...String:
MSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL WDIETGQQTT TFTGHTGDVM SLSLAPDTRL FVSGACDASA KLWDVREGMC RQTFTGHESD INAICFFPNG NA FATGSDD ATCRLFDLRA DQELMTYSHD NIICGITSVS FSKSGRLLLA GYDDFNCNVW DALKADRAGV LAGHDNRVSC LGV TDDGMA VATGSWDSFL KIWN

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

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Macromolecule #3: 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: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 9.137474 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MGHHHHHHHH GGASNNTASI AQARKLVEQL KMEANIDRIK VSKAAADLMA YCEAHAKEDP LLTPVPASEN PFREKKFFCA IL

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

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Macromolecule #4: scFv16

MacromoleculeName: scFv16 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 27.784896 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 KAAAHHHHHH HH

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Macromolecule #5: Endolysin,D(2) dopamine receptor,D(2) dopamine receptor

MacromoleculeName: Endolysin,D(2) dopamine receptor,D(2) dopamine receptor
type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO / EC number: lysozyme
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 51.384059 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: DYKDDDDANI FEMLRIDEGL RLKIYKNTEG YYTIGIGHLL TKSPSLNAAK SELDKAIGRN TNGVITKDEA EKLFNQDVDA AVRGILRNA KLKPVYDSLD AVRRAALINM VFQMGETGVA GFTNSLRMLQ QKRWDEAAVN LAKSRWYNQT PNRAKRVITT F RTGTWDAY ...String:
DYKDDDDANI FEMLRIDEGL RLKIYKNTEG YYTIGIGHLL TKSPSLNAAK SELDKAIGRN TNGVITKDEA EKLFNQDVDA AVRGILRNA KLKPVYDSLD AVRRAALINM VFQMGETGVA GFTNSLRMLQ QKRWDEAAVN LAKSRWYNQT PNRAKRVITT F RTGTWDAY AADRPHYNYY ATLLTLLIAV IVFGNVLVCM AVSREKALQT TTNYLIVSLA VADLLVATLV MPWVVYLEVV GE WKFSRIH CDIFVTLDVM MCTASILNLC AISIDRYTAV AMPMLYNTRY SSKRRVTVMI SIVWVLSFTI SCPLLFGLNN ADQ NECIIA NPAFVVYSSI VSFYVPFIVI LLVYIKIYIV LRRRRKLVNT NRKLSQQKEK KATQLLAIYL GLFIICWLPF FITH ILNIH CDCNIPPVLY SAFTWLGYVN SAINPIIYTT FNIEFRKAFL KILHC

UniProtKB: Endolysin, D(2) dopamine receptor, D(2) dopamine receptor

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Macromolecule #6: bromoergocryptine

MacromoleculeName: bromoergocryptine / type: ligand / ID: 6 / Number of copies: 1 / Formula: 08Y
Molecular weightTheoretical: 654.594 Da
Chemical component information

ChemComp-08Y:
bromoergocryptine / 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

BufferpH: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 64.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER / Details: ab initial model generated by Relion
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.0.1) / Number images used: 783984
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.0.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.0.1)
Final 3D classificationSoftware - Name: RELION (ver. 3.0.1)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelPDB ID:

Chain - Source name: PDB / Chain - Initial model type: experimental model
Output model

PDB-6vms:
Structure of a D2 dopamine receptor-G-protein complex in a lipid membrane

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