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- EMDB-31738: An Agonist and PAM-bound Class A GPCR with Gi protein complex str... -

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Basic information

Entry
Database: EMDB / ID: EMD-31738
TitleAn Agonist and PAM-bound Class A GPCR with Gi protein complex structure
Map data
Sample
  • Complex: M4R_iperoxo_LY2119620_Gi complex
    • Complex: Gi 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
    • Complex: scFv16
      • Protein or peptide: scFv16
    • Complex: Muscarinic Acetylcholine Receptor M4R
      • Protein or peptide: Muscarinic acetylcholine receptor M4
  • Ligand: 4-(4,5-dihydro-1,2-oxazol-3-yloxy)-N,N,N-trimethylbut-2-yn-1-aminium
  • Ligand: 3-amino-5-chloro-N-cyclopropyl-4-methyl-6-[2-(4-methylpiperazin-1-yl)-2-oxoethoxy]thieno[2,3-b]pyridine-2-carboxamide
Function / homology
Function and homology information


Muscarinic acetylcholine receptors / G protein-coupled acetylcholine receptor activity / adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway / G protein-coupled serotonin receptor activity / regulation of locomotion / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / regulation of cAMP-mediated signaling / D2 dopamine receptor binding ...Muscarinic acetylcholine receptors / G protein-coupled acetylcholine receptor activity / adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway / G protein-coupled serotonin receptor activity / regulation of locomotion / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / regulation of cAMP-mediated signaling / D2 dopamine receptor binding / G protein-coupled serotonin receptor binding / regulation of mitotic spindle organization / cellular response to forskolin / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / Regulation of insulin secretion / G protein-coupled receptor binding / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / Activation of the phototransduction cascade / 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 / G protein-coupled acetylcholine receptor signaling pathway / 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 / ADP signalling through P2Y purinoceptor 12 / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Sensory perception of sweet, bitter, and umami (glutamate) taste / response to peptide hormone / photoreceptor disc membrane / Adrenaline,noradrenaline inhibits insulin secretion / Glucagon-type ligand receptors / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / cellular response to catecholamine stimulus / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / adenylate cyclase-activating dopamine receptor signaling pathway / G beta:gamma signalling through PI3Kgamma / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / GDP binding / G-protein beta-subunit binding / Inactivation, recovery and regulation of the phototransduction cascade / heterotrimeric G-protein complex / G alpha (12/13) signalling events / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / retina development in camera-type eye / phospholipase C-activating G protein-coupled receptor signaling pathway / Ca2+ pathway / cell cortex / midbody / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) signalling events / G alpha (q) signalling events / chemical synaptic transmission / postsynaptic membrane / cell population proliferation / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell surface receptor signaling pathway / cell cycle / G protein-coupled receptor signaling pathway / lysosomal membrane / cell division / GTPase activity / centrosome / synapse / dendrite / protein-containing complex binding / nucleolus / GTP binding / magnesium ion binding / signal transduction / extracellular exosome / nucleoplasm / membrane / plasma membrane / cytoplasm / cytosol
Similarity search - Function
Muscarinic acetylcholine receptor M4 / Muscarinic acetylcholine receptor family / 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 ...Muscarinic acetylcholine receptor M4 / Muscarinic acetylcholine receptor family / 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. / 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
Muscarinic acetylcholine receptor M4 / 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 speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsWang JJ / Wu LJ / Wu M / Hua T / Liu ZJ / Wang T
Funding support China, 2 items
OrganizationGrant numberCountry
National Science Foundation (NSF, China)32022038 China
Chinese Academy of SciencesXDB37030104 China
CitationJournal: Nat Commun / Year: 2022
Title: The unconventional activation of the muscarinic acetylcholine receptor M4R by diverse ligands.
Authors: Jingjing Wang / Meng Wu / Zhangcheng Chen / Lijie Wu / Tian Wang / Dongmei Cao / Huan Wang / Shenhui Liu / Yueming Xu / Fei Li / Junlin Liu / Na Chen / Suwen Zhao / Jianjun Cheng / Sheng Wang / Tian Hua /
Abstract: Muscarinic acetylcholine receptors (mAChRs) respond to the neurotransmitter acetylcholine and play important roles in human nervous system. Muscarinic receptor 4 (M4R) is a promising drug target for ...Muscarinic acetylcholine receptors (mAChRs) respond to the neurotransmitter acetylcholine and play important roles in human nervous system. Muscarinic receptor 4 (M4R) is a promising drug target for treating neurological and mental disorders, such as Alzheimer's disease and schizophrenia. However, the lack of understanding on M4R's activation by subtype selective agonists hinders its therapeutic applications. Here, we report the structural characterization of M4R selective allosteric agonist, compound-110, as well as agonist iperoxo and positive allosteric modulator LY2119620. Our cryo-electron microscopy structures of compound-110, iperoxo or iperoxo-LY2119620 bound M4R-G complex reveal their different interaction modes and activation mechanisms of M4R, and the M4R-ip-LY-G structure validates the cooperativity between iperoxo and LY2119620 on M4R. Through the comparative structural and pharmacological analysis, compound-110 mostly occupies the allosteric binding pocket with vertical binding pose. Such a binding and activation mode facilitates its allostersic selectivity and agonist profile. In addition, in our schizophrenia-mimic mouse model study, compound-110 shows antipsychotic activity with low extrapyramidal side effects. Thus, this study provides structural insights to develop next-generation antipsychotic drugs selectively targeting on mAChRs subtypes.
History
DepositionAug 20, 2021-
Header (metadata) releaseMay 11, 2022-
Map releaseMay 11, 2022-
UpdateNov 23, 2022-
Current statusNov 23, 2022Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_31738.png

Downloads & links

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Map

FileDownload / File: emd_31738.map.gz / Format: CCP4 / Size: 27 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.38667 Å
Density
Contour LevelBy AUTHOR: 0.167
Minimum - Maximum-0.0016997627 - 1.9387897
Average (Standard dev.)0.0011215984 (±0.025106644)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions192192192
Spacing192192192
CellA=B=C: 266.24063 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : M4R_iperoxo_LY2119620_Gi complex

EntireName: M4R_iperoxo_LY2119620_Gi complex
Components
  • Complex: M4R_iperoxo_LY2119620_Gi complex
    • Complex: Gi 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
    • Complex: scFv16
      • Protein or peptide: scFv16
    • Complex: Muscarinic Acetylcholine Receptor M4R
      • Protein or peptide: Muscarinic acetylcholine receptor M4
  • Ligand: 4-(4,5-dihydro-1,2-oxazol-3-yloxy)-N,N,N-trimethylbut-2-yn-1-aminium
  • Ligand: 3-amino-5-chloro-N-cyclopropyl-4-methyl-6-[2-(4-methylpiperazin-1-yl)-2-oxoethoxy]thieno[2,3-b]pyridine-2-carboxamide

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Supramolecule #1: M4R_iperoxo_LY2119620_Gi complex

SupramoleculeName: M4R_iperoxo_LY2119620_Gi complex / type: complex / Chimera: Yes / ID: 1 / Parent: 0 / Macromolecule list: #1-#5
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm) / Recombinant strain: sf9

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Supramolecule #2: Gi complex

SupramoleculeName: Gi complex / type: complex / Chimera: Yes / ID: 2 / Parent: 1 / Macromolecule list: #1-#3
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)

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Supramolecule #3: scFv16

SupramoleculeName: scFv16 / type: complex / Chimera: Yes / ID: 3 / Parent: 1 / Macromolecule list: #4
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)

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Supramolecule #4: Muscarinic Acetylcholine Receptor M4R

SupramoleculeName: Muscarinic Acetylcholine Receptor M4R / type: complex / Chimera: Yes / ID: 4 / Parent: 1 / Macromolecule list: #5

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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: Homo sapiens (human)
Molecular weightTheoretical: 40.55916 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: GSMGCTLSAE DKAAVERSKM IDRNLREDGE KAAREVKLLL LGAGESGKST IVKQMKIIHE AGYSEEECKQ YKAVVYSNTI QSIIAIIRA MGRLKIDFGD SARADDARQL FVLAGAAEEG FMTAELAGVI KRLWKDSGVQ ACFNRSREYQ LNDSAAYYLN D LDRIAQPN ...String:
GSMGCTLSAE DKAAVERSKM IDRNLREDGE KAAREVKLLL LGAGESGKST IVKQMKIIHE AGYSEEECKQ YKAVVYSNTI QSIIAIIRA MGRLKIDFGD SARADDARQL FVLAGAAEEG FMTAELAGVI KRLWKDSGVQ ACFNRSREYQ LNDSAAYYLN D LDRIAQPN YIPTQQDVLR TRVKTTGIVE THFTFKDLHF KMFDVGGQRS ERKKWIHCFE GVTAIIFCVA LSDYDLVLAE DE EMNRMHE SMKLFDSICN NKWFTDTSII LFLNKKDLFE EKIKKSPLTI CYPEYAGSNT YEEAAAYIQC QFEDLNKRKD TKE IYTHFT CATDTKNVQF VFDAVTDVII KNNLKDCGLF

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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: 37.285734 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: SELDQLRQEA EQLKNQIRDA RKACADATLS QITNNIDPVG RIQMRTRRTL RGHLAKIYAM HWGTDSRLLV SASQDGKLII WDSYTTNKV HAIPLRSSWV MTCAYAPSGN YVACGGLDNI CSIYNLKTRE GNVRVSRELA GHTGYLSCCR FLDDNQIVTS S GDTTCALW ...String:
SELDQLRQEA EQLKNQIRDA RKACADATLS QITNNIDPVG RIQMRTRRTL RGHLAKIYAM HWGTDSRLLV SASQDGKLII WDSYTTNKV HAIPLRSSWV MTCAYAPSGN YVACGGLDNI CSIYNLKTRE GNVRVSRELA GHTGYLSCCR FLDDNQIVTS S GDTTCALW DIETGQQTTT FTGHTGDVMS LSLAPDTRLF VSGACDASAK LWDVREGMCR QTFTGHESDI NAICFFPNGN AF ATGSDDA TCRLFDLRAD QELMTYSHDN IICGITSVSF SKSGRLLLAG YDDFNCNVWD ALKADRAGVL AGHDNRVSCL GVT DDGMAV ATGSWDSFLK IWN

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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: 7.861143 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L

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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: Muscarinic acetylcholine receptor M4

MacromoleculeName: Muscarinic acetylcholine receptor M4 / type: protein_or_peptide / ID: 5
Details: residues 240-372 deleted to improve the protein yield for complex building
Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 39.055043 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MANFTPVNGS SGNQSVRLVT SSSHNRYETV EMVFIATVTG SLSLVTVVGN ILVMLSIKVN RQLQTVNNYF LFSLACADLI IGAFSMNLY TVYIIKGYWP LGAVVCDLWL ALDYVVSNAS VMNLLIISFD RYFCVTKPLT YPARRTTKMA GLMIAAAWVL S FVLWAPAI ...String:
MANFTPVNGS SGNQSVRLVT SSSHNRYETV EMVFIATVTG SLSLVTVVGN ILVMLSIKVN RQLQTVNNYF LFSLACADLI IGAFSMNLY TVYIIKGYWP LGAVVCDLWL ALDYVVSNAS VMNLLIISFD RYFCVTKPLT YPARRTTKMA GLMIAAAWVL S FVLWAPAI LFWQFVVGKR TVPDNQCFIQ FLSNPAVTFG TAIAAFYLPV VIMTVLYIHI SLASRSRVHK HRPEGPKEKK AV ARKFASI ARNQVRKKRQ MAARERKVTR TIFAILLAFI LTWTPYNVMV LVNTFCQSCI PDTVWSIGYW LCYVNSTINP ACY ALCNAT FKKTFRHLLL CQYRNIGTAR

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Macromolecule #6: 4-(4,5-dihydro-1,2-oxazol-3-yloxy)-N,N,N-trimethylbut-2-yn-1-aminium

MacromoleculeName: 4-(4,5-dihydro-1,2-oxazol-3-yloxy)-N,N,N-trimethylbut-2-yn-1-aminium
type: ligand / ID: 6 / Number of copies: 1 / Formula: IXO
Molecular weightTheoretical: 197.254 Da
Chemical component information

ChemComp-IXO:
4-(4,5-dihydro-1,2-oxazol-3-yloxy)-N,N,N-trimethylbut-2-yn-1-aminium

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Macromolecule #7: 3-amino-5-chloro-N-cyclopropyl-4-methyl-6-[2-(4-methylpiperazin-1...

MacromoleculeName: 3-amino-5-chloro-N-cyclopropyl-4-methyl-6-[2-(4-methylpiperazin-1-yl)-2-oxoethoxy]thieno[2,3-b]pyridine-2-carboxamide
type: ligand / ID: 7 / Number of copies: 1 / Formula: 2CU
Molecular weightTheoretical: 437.944 Da
Chemical component information

ChemComp-2CU:
3-amino-5-chloro-N-cyclopropyl-4-methyl-6-[2-(4-methylpiperazin-1-yl)-2-oxoethoxy]thieno[2,3-b]pyridine-2-carboxamide

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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

Concentration1.77 mg/mL
BufferpH: 7.5
GridModel: Homemade / Material: NICKEL/TITANIUM / Mesh: 300 / Support film - Material: CARBON
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 278 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 QUANTUM (4k x 4k) / Number grids imaged: 1 / Number real images: 3832 / Average exposure time: 8.0 sec. / Average electron dose: 58.0 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: 1.2 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionSoftware - Name: RELION
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

5dsg

Final reconstructionNumber classes used: 4 / Resolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 173315
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: RIGID BODY FIT
Output model

PDB-7v68:
An Agonist and PAM-bound Class A GPCR with Gi protein complex structure

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