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- EMDB-50169: Cryo-EM structure of Dopamine 3 receptor:Go complex bound to bito... -

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Entry
Database: EMDB / ID: EMD-50169
TitleCryo-EM structure of Dopamine 3 receptor:Go complex bound to bitopic FOB02-04A - Conformation B
Map data
Sample
  • Complex: D3R: Gtrimer: scFv16 complex bound to the bitopic FOB02-04A - Conformation B
    • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha
    • 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: Antibody scFv16
    • Protein or peptide: Green fluorescent protein,D(3) dopamine receptor
  • Ligand: N-[2-[(1R,2S)-2-[[(2S,5S)-2-(6-azanylpyridin-3-yl)-5-methyl-morpholin-4-yl]methyl]cyclopropyl]ethyl]-1H-indole-2-carboxamide
KeywordsGPCR / complex / bitopic / membrane protein
Function / homology
Function and homology information


musculoskeletal movement, spinal reflex action / acid secretion / dopamine neurotransmitter receptor activity, coupled via Gi/Go / response to histamine / regulation of potassium ion transport / adenylate cyclase-inhibiting dopamine receptor signaling pathway / Dopamine receptors / regulation of dopamine uptake involved in synaptic transmission / positive regulation of dopamine receptor signaling pathway / phospholipase C-activating dopamine receptor signaling pathway ...musculoskeletal movement, spinal reflex action / acid secretion / dopamine neurotransmitter receptor activity, coupled via Gi/Go / response to histamine / regulation of potassium ion transport / adenylate cyclase-inhibiting dopamine receptor signaling pathway / Dopamine receptors / regulation of dopamine uptake involved in synaptic transmission / positive regulation of dopamine receptor signaling pathway / phospholipase C-activating dopamine receptor signaling pathway / negative regulation of oligodendrocyte differentiation / mu-type opioid receptor binding / corticotropin-releasing hormone receptor 1 binding / negative regulation of synaptic transmission, glutamatergic / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Ca2+ pathway / G protein-coupled receptor internalization / G alpha (z) signalling events / Vasopressin regulates renal water homeostasis via Aquaporins / vesicle docking involved in exocytosis / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / G alpha (q) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / G alpha (i) signalling events / alkylglycerophosphoethanolamine phosphodiesterase activity / response to morphine / photoreceptor outer segment membrane / arachidonate secretion / G protein-coupled dopamine receptor signaling pathway / regulation of heart contraction / spectrin binding / positive regulation of cytokinesis / negative regulation of cytosolic calcium ion concentration / regulation of dopamine secretion / dopamine metabolic process / behavioral response to cocaine / social behavior / negative regulation of protein secretion / negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / photoreceptor outer segment / negative regulation of insulin secretion / prepulse inhibition / G protein-coupled serotonin receptor binding / adenylate cyclase-activating adrenergic receptor signaling pathway / cardiac muscle cell apoptotic process / muscle contraction / negative regulation of blood pressure / photoreceptor inner segment / positive regulation of mitotic nuclear division / bioluminescence / learning / response to cocaine / generation of precursor metabolites and energy / locomotory behavior / G protein-coupled receptor activity / circadian regulation of gene expression / visual learning / G-protein beta/gamma-subunit complex binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / 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 / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / 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 / intracellular calcium ion homeostasis / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / 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 / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / G alpha (12/13) signalling events / signaling receptor complex adaptor activity
Similarity search - Function
Dopamine D3 receptor / Dopamine receptor family / Green fluorescent protein, GFP / G-protein alpha subunit, group I / Green fluorescent protein-related / Green fluorescent protein / Green fluorescent protein / Serpentine type 7TM GPCR chemoreceptor Srsx / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion ...Dopamine D3 receptor / Dopamine receptor family / Green fluorescent protein, GFP / G-protein alpha subunit, group I / Green fluorescent protein-related / Green fluorescent protein / Green fluorescent protein / 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. / 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. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD domain, G-beta repeat / 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
Guanine nucleotide-binding protein G(o) subunit alpha / D(3) dopamine receptor / Green fluorescent protein / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Similarity search - Component
Biological speciesHomo sapiens (human) / Rattus norvegicus (Norway rat) / Mus musculus (house mouse)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.09 Å
AuthorsArroyo-Urea S / Garcia-Nafria J
Funding support Spain, 1 items
OrganizationGrant numberCountry
Ministerio de Ciencia e Innovacion (MCIN)PID2020-113359GA-I00 Spain
CitationJournal: Nat Commun / Year: 2024
Title: A bitopic agonist bound to the dopamine 3 receptor reveals a selectivity site.
Authors: Sandra Arroyo-Urea / Antonina L Nazarova / Ángela Carrión-Antolí / Alessandro Bonifazi / Francisco O Battiti / Jordy Homing Lam / Amy Hauck Newman / Vsevolod Katritch / Javier García-Nafría /
Abstract: Although aminergic GPCRs are the target for ~25% of approved drugs, developing subtype selective drugs is a major challenge due to the high sequence conservation at their orthosteric binding site. ...Although aminergic GPCRs are the target for ~25% of approved drugs, developing subtype selective drugs is a major challenge due to the high sequence conservation at their orthosteric binding site. Bitopic ligands are covalently joined orthosteric and allosteric pharmacophores with the potential to boost receptor selectivity and improve current medications by reducing off-target side effects. However, the lack of structural information on their binding mode impedes rational design. Here we determine the cryo-EM structure of the hDR:Gαβγ complex bound to the DR selective bitopic agonist FOB02-04A. Structural, functional and computational analyses provide insights into its binding mode and point to a new TM2-ECL1-TM1 region, which requires the N-terminal ordering of TM1, as a major determinant of subtype selectivity in aminergic GPCRs. This region is underexploited in drug development, expands the established secondary binding pocket in aminergic GPCRs and could potentially be used to design novel and subtype selective drugs.
History
DepositionApr 24, 2024-
Header (metadata) releaseSep 18, 2024-
Map releaseSep 18, 2024-
UpdateSep 18, 2024-
Current statusSep 18, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_50169.png

Downloads & links

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Map

FileDownload / File: emd_50169.map.gz / Format: CCP4 / Size: 103 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

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AxesZ (Sec.)X (Row.)Y (Col.)
0.84 Å/pix.
x 300 pix.
= 252. Å		0.84 Å/pix.
x 300 pix.
= 252. Å		0.84 Å/pix.
x 300 pix.
= 252. Å

Surface

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Images are generated by Spider.

Voxel sizeX=Y=Z: 0.84 Å
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Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.357
Minimum - Maximum-0.9885027 - 1.6384072
Average (Standard dev.)0.00031847853 (±0.045221873)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderYXZ
Origin000
Dimensions300300300
Spacing300300300
CellA=B=C: 251.99998 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_50169_msk_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
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Histogram (log scale)

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Mask #2

Fileemd_50169_msk_2.map
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Sample components

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Entire : D3R: Gtrimer: scFv16 complex bound to the bitopic FOB02-04A - Con...

EntireName: D3R: Gtrimer: scFv16 complex bound to the bitopic FOB02-04A - Conformation B
Components
  • Complex: D3R: Gtrimer: scFv16 complex bound to the bitopic FOB02-04A - Conformation B
    • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha
    • 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: Antibody scFv16
    • Protein or peptide: Green fluorescent protein,D(3) dopamine receptor
  • Ligand: N-[2-[(1R,2S)-2-[[(2S,5S)-2-(6-azanylpyridin-3-yl)-5-methyl-morpholin-4-yl]methyl]cyclopropyl]ethyl]-1H-indole-2-carboxamide

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Supramolecule #1: D3R: Gtrimer: scFv16 complex bound to the bitopic FOB02-04A - Con...

SupramoleculeName: D3R: Gtrimer: scFv16 complex bound to the bitopic FOB02-04A - Conformation B
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 190 KDa

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

MacromoleculeName: Guanine nucleotide-binding protein G(o) subunit alpha / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 40.0975 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MGCTLSAEER AALERSKAIE KNLKEDGISA AKDVKLLLLG AGESGKNTIV KQMKIIHEDG FSGEDVKQYK PVVYSNTIQS LAAIVRAMD TLGIEYGDKE RKADAKMVCD VVSRMEDTEP FSAELLSAMM RLWGDSGIQE CFNRSREYQL NDSAKYYLDS L DRIGAADY ...String:
MGCTLSAEER AALERSKAIE KNLKEDGISA AKDVKLLLLG AGESGKNTIV KQMKIIHEDG FSGEDVKQYK PVVYSNTIQS LAAIVRAMD TLGIEYGDKE RKADAKMVCD VVSRMEDTEP FSAELLSAMM RLWGDSGIQE CFNRSREYQL NDSAKYYLDS L DRIGAADY QPTEQDILRT RVKTTGIVET HFTFKNLHFR LFDVGAQRSE RKKWIHCFED VTAIIFCVAL SGYDQVLHED ET TNRMHAS LKLFDSICNN KFFIDTSIIL FLNKKDLFGE KIKKSPLTIC FPEYTGPNTY EDAAAYIQAQ FESKNRSPNK EIY CHMTCS TDTNNIQVVF DAVTDIIIAN NLRGCGLY

UniProtKB: Guanine nucleotide-binding protein G(o) subunit alpha, Guanine nucleotide-binding protein G(o) subunit alpha

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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: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 39.373992 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MHHHHHHHHE NLYFQGSELD QLRQEAEQLK NQIRDARKAC ADATLSQITN NIDPVGRIQM RTRRTLRGHL AKIYAMHWGT DSRLLVSAS QDGKLIIWDS YTTNKVHAIP LRSSWVMTCA YAPSGNYVAC GGLDNICSIY NLKTREGNVR VSRELAGHTG Y LSCCRFLD ...String:
MHHHHHHHHE NLYFQGSELD QLRQEAEQLK NQIRDARKAC ADATLSQITN NIDPVGRIQM RTRRTLRGHL AKIYAMHWGT DSRLLVSAS QDGKLIIWDS YTTNKVHAIP LRSSWVMTCA YAPSGNYVAC GGLDNICSIY NLKTREGNVR VSRELAGHTG Y LSCCRFLD DNQIVTSSGD TTCALWDIET GQQTTTFTGH TGDVMSLSLA PDTRLFVSGA CDASAKLWDV REGMCRQTFT GH ESDINAI CFFPNGNAFA TGSDDATCRL FDLRADQELM TYSHDNIICG ITSVSFSKSG RLLLAGYDDF NCNVWDALKA DRA GVLAGH DNRVSCLGVT DDGMAVATGS WDSFLKIWN

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: 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 #4: Antibody scFv16

MacromoleculeName: Antibody scFv16 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 27.625844 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MDVQLVESGG GLVQPGGSRK LSCSASGFAF SSFGMHWVRQ APEKGLEWVA YISSGSGTIY YADTVKGRFT ISRDDPKNTL FLQMTSLRS EDTAMYYCVR SIYYYGSSPF DFWGQGTTLT VSSGGGGSGG GGSGGGGSDI VMTQATSSVP VTPGESVSIS C RSSKSLLH ...String:
MDVQLVESGG GLVQPGGSRK LSCSASGFAF SSFGMHWVRQ APEKGLEWVA YISSGSGTIY YADTVKGRFT ISRDDPKNTL FLQMTSLRS EDTAMYYCVR SIYYYGSSPF DFWGQGTTLT VSSGGGGSGG GGSGGGGSDI VMTQATSSVP VTPGESVSIS C RSSKSLLH SNGNTYLYWF LQRPGQSPQL LIYRMSNLAS GVPDRFSGSG SGTAFTLTIS RLEAEDVGVY YCMQHLEYPL TF GAGTKLE LKGSLEVLFQ GP

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Macromolecule #5: Green fluorescent protein,D(3) dopamine receptor

MacromoleculeName: Green fluorescent protein,D(3) dopamine receptor / type: protein_or_peptide / ID: 5
Details: HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP- ...Details: HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R
Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 74.733945 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MKTIIALSYI FCLVFADYKD DDDKVSKGEE LFTGVVPILV ELDGDVNGHK FSVSGEGEGD ATYGKLTLKF ICTTGKLPVP WPTLVTTLT YGVQCFSRYP DHMKQHDFFK SAMPEGYVQE RTIFFKDDGN YKTRAEVKFE GDTLVNRIEL KGIDFKEDGN I LGHKLEYN ...String:
MKTIIALSYI FCLVFADYKD DDDKVSKGEE LFTGVVPILV ELDGDVNGHK FSVSGEGEGD ATYGKLTLKF ICTTGKLPVP WPTLVTTLT YGVQCFSRYP DHMKQHDFFK SAMPEGYVQE RTIFFKDDGN YKTRAEVKFE GDTLVNRIEL KGIDFKEDGN I LGHKLEYN YNSHNVYIMA DKQKNGIKVN FKIRHNIEDG SVQLADHYQQ NTPIGDGPVL LPDNHYLSTQ SALSKDPNEK RD HMVLLEF VTAAGITLGM DELYKLEVLF QGPASLSQLS SHLNYTCGAE NSTGASQARP HAYYALSYCA LILAIVFGNG LVC MAVLKE RALQTTTNYL VVSLAVADLL VATLVMPWVV YLEVTGGVWN FSRICCDVFV TLDVMMCTAS IWNLCAISID RYTA VVMPV HYQHGTGQSS CRRVALMITA VWVLAFAVSC PLLFGFNTTG DPTVCSISNP DFVIYSSVVS FYLPFGVTVL VYARI YVVL KQRRRKRILT RQNSQCNSVR PGFPQQTLSP DPAHLELKRY YSICQDTALG GPGFQERGGE LKREEKTRNS LSPTIA PKL SLEVRKLSNG RLSTSLKLGP LQPRGVPLRE KKATQMVAIV LGAFIVCWLP FFLTHVLNTH CQTCHVSPEL YSATTWL GY VNSALNPVIY TTFNIEFRKA FLKILSC

UniProtKB: Green fluorescent protein, D(3) dopamine receptor, D(3) dopamine receptor, D(3) dopamine receptor

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Macromolecule #6: N-[2-[(1R,2S)-2-[[(2S,5S)-2-(6-azanylpyridin-3-yl)-5-methyl-morph...

MacromoleculeName: N-[2-[(1R,2S)-2-[[(2S,5S)-2-(6-azanylpyridin-3-yl)-5-methyl-morpholin-4-yl]methyl]cyclopropyl]ethyl]-1H-indole-2-carboxamide
type: ligand / ID: 6 / Number of copies: 1 / Formula: A1H9N
Molecular weightTheoretical: 433.546 Da

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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

Concentration2.8 mg/mL
BufferpH: 7.4
GridModel: Quantifoil R0.6/1 / Material: GOLD / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 60 sec.
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Detector mode: SUPER-RESOLUTION / Number real images: 22655 / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 3.0 µm / Nominal defocus min: 1.0 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

Particle selectionNumber selected: 19414230
Startup modelType of model: OTHER
Details: Ab initial model obtained from extracted particles.
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.09 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 159184
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 4)
Final angle assignmentType: MAXIMUM LIKELIHOOD

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: OTHER
Output model

PDB-9f34:
Cryo-EM structure of Dopamine 3 receptor:Go complex bound to bitopic FOB02-04A - Conformation B

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