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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
Function / homology
Function and homology information


regulation of locomotion involved in locomotory behavior / negative regulation of dopamine receptor signaling pathway / positive regulation of dopamine uptake involved in synaptic transmission / negative regulation of circadian sleep/wake cycle, sleep / acid secretion / positive regulation of glial cell-derived neurotrophic factor production / dopamine neurotransmitter receptor activity, coupled via Gi/Go / auditory behavior / nervous system process involved in regulation of systemic arterial blood pressure / regulation of synapse structural plasticity ...regulation of locomotion involved in locomotory behavior / negative regulation of dopamine receptor signaling pathway / positive regulation of dopamine uptake involved in synaptic transmission / negative regulation of circadian sleep/wake cycle, sleep / acid secretion / positive regulation of glial cell-derived neurotrophic factor production / dopamine neurotransmitter receptor activity, coupled via Gi/Go / auditory behavior / nervous system process involved in regulation of systemic arterial blood pressure / regulation of synapse structural plasticity / response to histamine / positive regulation of renal sodium excretion / adenohypophysis development / neuron-neuron synaptic transmission / hyaloid vascular plexus regression / adenylate cyclase-inhibiting dopamine receptor signaling pathway / cerebral cortex GABAergic interneuron migration / negative regulation of neuron migration / response to inactivity / regulation of potassium ion transport / Extra-nuclear estrogen signaling / Dopamine receptors / Adenylate cyclase inhibitory pathway / orbitofrontal cortex development / dopamine binding / negative regulation of cellular response to hypoxia / regulation of dopamine uptake involved in synaptic transmission / branching morphogenesis of a nerve / negative regulation of voltage-gated calcium channel activity / negative regulation of dopamine secretion / positive regulation of growth hormone secretion / heterotrimeric G-protein binding / dopaminergic synapse / drinking behavior / grooming behavior / peristalsis / phospholipase C-activating dopamine receptor signaling pathway / G protein-coupled receptor complex / behavioral response to ethanol / positive regulation of G protein-coupled receptor signaling pathway / positive regulation of urine volume / striatum development / negative regulation of adenylate cyclase activity / negative regulation of synaptic transmission, glutamatergic / positive regulation of multicellular organism growth / non-motile cilium / response to morphine / G protein-coupled receptor internalization / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / G alpha (i) signalling events / adult walking behavior / negative regulation of synaptic transmission / response to iron ion / GTPase activating protein binding / dopamine uptake involved in synaptic transmission / pigmentation / ciliary membrane / temperature homeostasis / regulation of synaptic transmission, GABAergic / arachidonic acid secretion / positive regulation of neuroblast proliferation / dopamine metabolic process / postsynaptic modulation of chemical synaptic transmission / regulation of dopamine secretion / heterocyclic compound binding / negative regulation of cytosolic calcium ion concentration / positive regulation of cytokinesis / behavioral response to cocaine / associative learning / positive regulation of receptor internalization / response to light stimulus / endocytic vesicle / neuroblast proliferation / negative regulation of protein secretion / negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / GABA-ergic synapse / positive regulation of protein localization to cell cortex / G-protein alpha-subunit binding / response to axon injury / potassium channel regulator activity / lateral plasma membrane / negative regulation of insulin secretion / long-term memory / regulation of cAMP-mediated signaling / sperm flagellum / D2 dopamine receptor binding / G protein-coupled serotonin receptor binding / prepulse inhibition / axon terminus / adenylate cyclase-activating adrenergic receptor signaling pathway / regulation of sodium ion transport / regulation of mitotic spindle organization / cellular response to forskolin / release of sequestered calcium ion into cytosol / viral release from host cell by cytolysis / synapse assembly / response to amphetamine / ionotropic glutamate receptor binding / excitatory postsynaptic potential
Similarity search - Function
Dopamine D2 receptor / Dopamine receptor family / G-protein alpha subunit, group I / Endolysin T4 type / T4-type lysozyme / Glycoside hydrolase, family 24 / Lysozyme domain superfamily / Phage lysozyme / Serpentine type 7TM GPCR chemoreceptor Srsx / G-alpha domain profile. ...Dopamine D2 receptor / Dopamine receptor family / G-protein alpha subunit, group I / Endolysin T4 type / T4-type lysozyme / Glycoside hydrolase, family 24 / Lysozyme domain superfamily / Phage lysozyme / Serpentine type 7TM GPCR chemoreceptor Srsx / G-alpha domain profile. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / GGL domain / G-protein gamma-like domain superfamily / G-protein gamma-like domain / GGL domain / G protein gamma subunit-like motifs / 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) / Lysozyme-like domain superfamily / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / 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 / Clark MJ / Hijazi M / Kumari P / Bai X / Sunahara RK / Barth P / Rosenbaum DM
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-
UpdateAug 19, 2020-
Current statusAug 19, 2020Processing 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:
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Supplemental images

emd_21243.png

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
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)
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)

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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

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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

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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

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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

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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 / Bromocriptine

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

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Image processing

CTF correctionSoftware - Name: RELION
Startup modelType of model: OTHER / Details: ab initial model generated by Relion
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.0.1)
Final 3D classificationSoftware - Name: RELION (ver. 3.0.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.0.1)
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
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelPDB ID:

6dde

Output model

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

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