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- EMDB-41139: Quis and CDPPB bound active mGlu5 -

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Basic information

Entry
Database: EMDB / ID: EMD-41139
TitleQuis and CDPPB bound active mGlu5
Map dataQuis and CDPPB bound active mGlu5 in complex with Nb43
Sample
  • Organelle or cellular component: Metabotropic glutamate receptor 5 bound to Quis and CDPPB, in complex with Nb43
    • Protein or peptide: Metabotropic glutamate receptor 5
    • Protein or peptide: Nb43
  • Ligand: (S)-2-AMINO-3-(3,5-DIOXO-[1,2,4]OXADIAZOLIDIN-2-YL)-PROPIONIC ACID
  • Ligand: 3-cyano-N-(1,3-diphenyl-1H-pyrazol-5-yl)benzamide
KeywordsGPCR / SIGNALING PROTEIN
Function / homology
Function and homology information


A2A adenosine receptor binding / regulation of translational elongation / phospholipase C-activating G protein-coupled glutamate receptor signaling pathway / G protein-coupled receptor activity involved in regulation of postsynaptic membrane potential / trans-synaptic signaling by endocannabinoid, modulating synaptic transmission / adenylate cyclase inhibiting G protein-coupled glutamate receptor activity / positive regulation of long-term neuronal synaptic plasticity / : / desensitization of G protein-coupled receptor signaling pathway / G protein-coupled glutamate receptor signaling pathway ...A2A adenosine receptor binding / regulation of translational elongation / phospholipase C-activating G protein-coupled glutamate receptor signaling pathway / G protein-coupled receptor activity involved in regulation of postsynaptic membrane potential / trans-synaptic signaling by endocannabinoid, modulating synaptic transmission / adenylate cyclase inhibiting G protein-coupled glutamate receptor activity / positive regulation of long-term neuronal synaptic plasticity / : / desensitization of G protein-coupled receptor signaling pathway / G protein-coupled glutamate receptor signaling pathway / neurotransmitter receptor activity involved in regulation of postsynaptic cytosolic calcium ion concentration / astrocyte projection / Class C/3 (Metabotropic glutamate/pheromone receptors) / protein kinase C-activating G protein-coupled receptor signaling pathway / glutamate receptor activity / Neurexins and neuroligins / protein tyrosine kinase activator activity / : / positive regulation of protein tyrosine kinase activity / regulation of synaptic transmission, glutamatergic / protein tyrosine kinase binding / dendritic shaft / locomotory behavior / learning / G protein-coupled receptor activity / postsynaptic density membrane / synapse organization / regulation of protein phosphorylation / Schaffer collateral - CA1 synapse / cognition / cellular response to amyloid-beta / regulation of translation / chemical synaptic transmission / G alpha (q) signalling events / dendritic spine / positive regulation of MAPK cascade / learning or memory / glutamatergic synapse / regulation of DNA-templated transcription / identical protein binding / plasma membrane / cytoplasm
Similarity search - Function
GPCR, family 3, metabotropic glutamate receptor 5 / Metabotropic glutamate receptor, Homer-binding domain / Homer-binding domain of metabotropic glutamate receptor / GluR_Homer-bdg / GPCR, family 3, metabotropic glutamate receptor / G-protein coupled receptors family 3 signature 1. / G-protein coupled receptors family 3 signature 2. / GPCR, family 3, nine cysteines domain / GPCR, family 3, nine cysteines domain superfamily / Nine Cysteines Domain of family 3 GPCR ...GPCR, family 3, metabotropic glutamate receptor 5 / Metabotropic glutamate receptor, Homer-binding domain / Homer-binding domain of metabotropic glutamate receptor / GluR_Homer-bdg / GPCR, family 3, metabotropic glutamate receptor / G-protein coupled receptors family 3 signature 1. / G-protein coupled receptors family 3 signature 2. / GPCR, family 3, nine cysteines domain / GPCR, family 3, nine cysteines domain superfamily / Nine Cysteines Domain of family 3 GPCR / GPCR, family 3, conserved site / G-protein coupled receptors family 3 signature 3. / GPCR, family 3 / GPCR family 3, C-terminal / 7 transmembrane sweet-taste receptor of 3 GCPR / G-protein coupled receptors family 3 profile. / Receptor, ligand binding region / Receptor family ligand binding region / Periplasmic binding protein-like I
Similarity search - Domain/homology
Metabotropic glutamate receptor 5
Similarity search - Component
Biological speciesHomo sapiens (human) / Lama glama (llama)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsKrishna Kumar K / Wang H / Kobilka BK
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)NS028471 United States
CitationJournal: bioRxiv / Year: 2023
Title: Step-wise activation of a Family C GPCR.
Authors: Kaavya Krishna Kumar / Haoqing Wang / Chris Habrian / Naomi R Latorraca / Jun Xu / Evan S O'Brien / Chensong Zhang / Elizabeth Montabana / Antoine Koehl / Susan Marqusee / Ehud Y Isacoff / Brian K Kobilka /
Abstract: Metabotropic glutamate receptors belong to a family of G protein-coupled receptors that are obligate dimers and possess a large extracellular ligand-binding domain (ECD) that is linked via a cysteine- ...Metabotropic glutamate receptors belong to a family of G protein-coupled receptors that are obligate dimers and possess a large extracellular ligand-binding domain (ECD) that is linked via a cysteine-rich domain (CRDs) to their 7-transmembrane (TM) domain. Upon activation, these receptors undergo a large conformational change to transmit the ligand binding signal from the ECD to the G protein-coupling TM. In this manuscript, we propose a model for a sequential, multistep activation mechanism of metabotropic glutamate receptor subtype 5. We present a series of structures in lipid nanodiscs, from inactive to fully active, including agonist-bound intermediate states. Further, using bulk and single-molecule fluorescence imaging we reveal distinct receptor conformations upon allosteric modulator and G protein binding.
History
DepositionJun 27, 2023-
Header (metadata) releaseOct 11, 2023-
Map releaseOct 11, 2023-
UpdateOct 11, 2023-
Current statusOct 11, 2023Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_41139.png

Downloads & links

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Map

FileDownload / File: emd_41139.map.gz / Format: CCP4 / Size: 149.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationQuis and CDPPB bound active mGlu5 in complex with Nb43
Voxel sizeX=Y=Z: 1.111 Å
Density
Contour LevelBy AUTHOR: 6.15
Minimum - Maximum-15.435936999999999 - 62.296368000000001
Average (Standard dev.)-0.000000000004825 (±1.0)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderZYX
Origin000
Dimensions340340340
Spacing340340340
CellA=B=C: 377.74 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Metabotropic glutamate receptor 5 bound to Quis and CDPPB, in com...

EntireName: Metabotropic glutamate receptor 5 bound to Quis and CDPPB, in complex with Nb43
Components
  • Organelle or cellular component: Metabotropic glutamate receptor 5 bound to Quis and CDPPB, in complex with Nb43
    • Protein or peptide: Metabotropic glutamate receptor 5
    • Protein or peptide: Nb43
  • Ligand: (S)-2-AMINO-3-(3,5-DIOXO-[1,2,4]OXADIAZOLIDIN-2-YL)-PROPIONIC ACID
  • Ligand: 3-cyano-N-(1,3-diphenyl-1H-pyrazol-5-yl)benzamide

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Supramolecule #1: Metabotropic glutamate receptor 5 bound to Quis and CDPPB, in com...

SupramoleculeName: Metabotropic glutamate receptor 5 bound to Quis and CDPPB, in complex with Nb43
type: organelle_or_cellular_component / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Metabotropic glutamate receptor 5

MacromoleculeName: Metabotropic glutamate receptor 5 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 98.868297 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MKTIIALSYI FCLVFADYKD DDDAAQSSER RVVAHMPGDI IIGALFSVHH QPTVDKVHER KCGAVREQYG IQRVEAMLHT LERINSDPT LLPNITLGCE IRDSCWHSAV ALEQSIEFIR DSLISSEEEE GLVRCVDGSS SSFRSKKPIV GVIGPGSSSV A IQVQNLLQ ...String:
MKTIIALSYI FCLVFADYKD DDDAAQSSER RVVAHMPGDI IIGALFSVHH QPTVDKVHER KCGAVREQYG IQRVEAMLHT LERINSDPT LLPNITLGCE IRDSCWHSAV ALEQSIEFIR DSLISSEEEE GLVRCVDGSS SSFRSKKPIV GVIGPGSSSV A IQVQNLLQ LFNIPQIAYS ATSMDLSDKT LFKYFMRVVP SDAQQARAMV DIVKRYNWTY VSAVHTEGNY GESGMEAFKD MS AKEGICI AHSYKIYSNA GEQSFDKLLK KLTSHLPKAR VVACFCEGMT VRGLLMAMRR LGLAGEFLLL GSDGWADRYD VTD GYQREA VGGITIKLQS PDVKWFDDYY LKLRPETNHR NPWFQEFWQH RFQCRLEGFP QENSKYNKTC NSSLTLKTHH VQDS KMGFV INAIYSMAYG LHNMQMSLCP GYAGLCDAMK PIDGRKLLES LMKTNFTGVS GDTILFDENG DSPGRYEIMN FKEMG KDYF DYINVGSWDN GELKMDDDEV WSKKSNIIRS VCSEPCEKGQ IKVIRKGEVS CCWTCTPCKE NEYVFDEYTC KACQLG SWP TDDLTGCDLI PVQYLRWGDP EPIAAVVFAC LGLLATLFVT VVFIIYRDTP VVKSSSRELC YIILAGICLG YLCTFCL IA KPKQIYCYLQ RIGIGLSPAM SYSALVTKTN RIARILAGSK KKICTKKPRF MSACAQLVIA FILICIQLGI IVALFIME P PDIMHDYPSI REVYLICNTT NLGVVTPLGY NGLLILSCTF YAFKTRNVPA NFNEAKYIAF TMYTTCIIWL AFVPIYFGS NYKIITMCFS VSLSATVALG CMFVPKVYII LAKPERNVRS AFTTSTVVRM HVGDGKSSSA ASRSSSLVNL WKRRGSSGET L

UniProtKB: Metabotropic glutamate receptor 5

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Macromolecule #2: Nb43

MacromoleculeName: Nb43 / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Lama glama (llama)
Molecular weightTheoretical: 13.354672 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
QVQLVESGGG LVQAGGSLRL SCAASGRTFT SYAMGWFRQA PGKERESVAA ISSSGGSTHY ADSVKGRFTI SRDNSKNTVY LQMNSLKPE DTAVYYCAAA MYGSRWPDWE YDYWGQGTQV TVSS

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Macromolecule #3: (S)-2-AMINO-3-(3,5-DIOXO-[1,2,4]OXADIAZOLIDIN-2-YL)-PROPIONIC ACID

MacromoleculeName: (S)-2-AMINO-3-(3,5-DIOXO-[1,2,4]OXADIAZOLIDIN-2-YL)-PROPIONIC ACID
type: ligand / ID: 3 / Number of copies: 2 / Formula: QUS
Molecular weightTheoretical: 189.126 Da
Chemical component information

ChemComp-QUS:
(S)-2-AMINO-3-(3,5-DIOXO-[1,2,4]OXADIAZOLIDIN-2-YL)-PROPIONIC ACID / agonist*YM / Quisqualic acid

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Macromolecule #4: 3-cyano-N-(1,3-diphenyl-1H-pyrazol-5-yl)benzamide

MacromoleculeName: 3-cyano-N-(1,3-diphenyl-1H-pyrazol-5-yl)benzamide / type: ligand / ID: 4 / Number of copies: 1 / Formula: YKU
Molecular weightTheoretical: 364.399 Da
Chemical component information

ChemComp-YKU:
3-cyano-N-(1,3-diphenyl-1H-pyrazol-5-yl)benzamide

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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 / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.7000000000000001 µm
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 51.6 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: EMDB MAP
EMDB ID:

0346

Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 245439

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