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- PDB-7jvr: Cryo-EM structure of Bromocriptine-bound dopamine receptor 2 in c... -

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Basic information

Entry
Database: PDB / ID: 7jvr
TitleCryo-EM structure of Bromocriptine-bound dopamine receptor 2 in complex with Gi protein
Components
  • (Guanine nucleotide-binding protein ...) x 3
  • Antibody fragment ScFv16
  • Soluble cytochrome b562,D(2) dopamine receptor
KeywordsSIGNALING PROTEIN / Dopamine receptor 2 / Gi protein / bromocriptine
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 / nervous system process involved in regulation of systemic arterial blood pressure / auditory behavior / 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 / nervous system process involved in regulation of systemic arterial blood pressure / auditory behavior / 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 / Dopamine receptors / 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 / response to morphine / non-motile cilium / G protein-coupled receptor internalization / adult walking behavior / response to iron ion / dopamine uptake involved in synaptic transmission / pigmentation / ciliary membrane / temperature homeostasis / regulation of synaptic transmission, GABAergic / arachidonic acid secretion / dopamine metabolic process / positive regulation of neuroblast proliferation / 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 / Adenylate cyclase inhibitory pathway / 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 / regulation of cAMP-mediated signaling / long-term memory / 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 mitotic spindle organization / regulation of sodium ion transport / cellular response to forskolin / release of sequestered calcium ion into cytosol / synapse assembly / ionotropic glutamate receptor binding / response to amphetamine / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / excitatory postsynaptic potential / presynaptic modulation of chemical synaptic transmission / negative regulation of blood pressure / regulation of heart rate / negative regulation of innate immune response / axonogenesis / negative regulation of cell migration
Similarity search - Function
Dopamine D2 receptor / Dopamine receptor family / Cytochrome b562 / Cytochrome b562 / Cytochrome c/b562 / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / G-alpha domain profile. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion ...Dopamine D2 receptor / Dopamine receptor family / Cytochrome b562 / Cytochrome b562 / Cytochrome c/b562 / G-protein alpha subunit, group I / 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) / 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
bromoergocryptine / Soluble cytochrome b562 / 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 / Guanine nucleotide-binding protein G(i) subunit alpha-1
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
Homo sapiens (human)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.8 Å
AuthorsZhuang, Y. / Xu, P. / Mao, C. / Wang, L. / Krumm, B. / Zhou, X.E. / Huang, S. / Liu, H. / Cheng, X. / Huang, X.-P. ...Zhuang, Y. / Xu, P. / Mao, C. / Wang, L. / Krumm, B. / Zhou, X.E. / Huang, S. / Liu, H. / Cheng, X. / Huang, X.-P. / Sheng, D.-D. / Xu, T. / Liu, Y.-F. / Wang, Y. / Guo, J. / Jiang, Y. / Jiang, H. / Melcher, K. / Roth, B.L. / Zhang, Y. / Zhang, C. / Xu, H.E.
Funding support China, United States, 4items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)81922071 China
National Natural Science Foundation of China (NSFC)31770796 China
National Institutes of Health/National Institute of Mental Health (NIH/NIMH)RO1MH112205 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R35GM128641 United States
CitationJournal: Cell / Year: 2021
Title: Structural insights into the human D1 and D2 dopamine receptor signaling complexes.
Authors: Youwen Zhuang / Peiyu Xu / Chunyou Mao / Lei Wang / Brian Krumm / X Edward Zhou / Sijie Huang / Heng Liu / Xi Cheng / Xi-Ping Huang / Dan-Dan Shen / Tinghai Xu / Yong-Feng Liu / Yue Wang / ...Authors: Youwen Zhuang / Peiyu Xu / Chunyou Mao / Lei Wang / Brian Krumm / X Edward Zhou / Sijie Huang / Heng Liu / Xi Cheng / Xi-Ping Huang / Dan-Dan Shen / Tinghai Xu / Yong-Feng Liu / Yue Wang / Jia Guo / Yi Jiang / Hualiang Jiang / Karsten Melcher / Bryan L Roth / Yan Zhang / Cheng Zhang / H Eric Xu /
Abstract: The D1- and D2-dopamine receptors (D1R and D2R), which signal through G and G, respectively, represent the principal stimulatory and inhibitory dopamine receptors in the central nervous system. D1R ...The D1- and D2-dopamine receptors (D1R and D2R), which signal through G and G, respectively, represent the principal stimulatory and inhibitory dopamine receptors in the central nervous system. D1R and D2R also represent the main therapeutic targets for Parkinson's disease, schizophrenia, and many other neuropsychiatric disorders, and insight into their signaling is essential for understanding both therapeutic and side effects of dopaminergic drugs. Here, we report four cryoelectron microscopy (cryo-EM) structures of D1R-G and D2R-G signaling complexes with selective and non-selective dopamine agonists, including two currently used anti-Parkinson's disease drugs, apomorphine and bromocriptine. These structures, together with mutagenesis studies, reveal the conserved binding mode of dopamine agonists, the unique pocket topology underlying ligand selectivity, the conformational changes in receptor activation, and potential structural determinants for G protein-coupling selectivity. These results provide both a molecular understanding of dopamine signaling and multiple structural templates for drug design targeting the dopaminergic system.
History
DepositionAug 22, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 24, 2021Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2021Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 2.0Mar 31, 2021Group: Atomic model / Data collection / Structure summary / Category: atom_site / em_software / entity
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _em_software.category / _em_software.fitting_id / _em_software.imaging_id / _entity.pdbx_description
Description: Ligand geometry
Details: Corrected the configurations of two nitrogen atoms in the ligand bromoergocryptine.
Provider: author / Type: Coordinate replacement

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Structure visualization

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  • Deposited structure unit
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  • EMDB-22511
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Assembly

Deposited unit
R: Soluble cytochrome b562,D(2) dopamine receptor
A: Guanine nucleotide-binding protein G(i) subunit alpha-1
B: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
C: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
E: Antibody fragment ScFv16
hetero molecules


Theoretical massNumber of molelcules
Total (without water)183,1246
Polymers182,4705
Non-polymers6551
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Guanine nucleotide-binding protein ... , 3 types, 3 molecules ABC

#2: Protein Guanine nucleotide-binding protein G(i) subunit alpha-1 / Adenylate cyclase-inhibiting G alpha protein


Mass: 40414.047 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNAI1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P63096
#3: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Transducin beta chain 1


Mass: 38146.707 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNB1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P62873
#4: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / G gamma-I


Mass: 7861.143 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNG2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P59768

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Protein / Antibody / Non-polymers , 3 types, 3 molecules RE

#1: Protein Soluble cytochrome b562,D(2) dopamine receptor / Cytochrome b-562 / Dopamine D2 receptor


Mass: 67234.578 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli), (gene. exp.) Homo sapiens (human)
Gene: cybC, DRD2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P0ABE7, UniProt: P14416
#5: Antibody Antibody fragment ScFv16


Mass: 28813.047 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Production host: Escherichia coli (E. coli)
#6: Chemical ChemComp-08Y / bromoergocryptine / bromocriptine / Bromocriptine


Mass: 654.594 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C32H40BrN5O5 / Feature type: SUBJECT OF INVESTIGATION / Comment: agonist*YM

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Details

Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Bromocriptin-bound dopamine receptor 2 in complex with Gi protein
Type: COMPLEX / Entity ID: #1-#5 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 7.2
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy
Image recordingElectron dose: 64 e/Å2 / Film or detector model: GATAN K2 BASE (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.13_2998: / Classification: refinement
CTF correctionType: NONE
3D reconstructionResolution: 2.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 632558 / Symmetry type: POINT

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