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- EMDB-36078: Structure of beta-arrestin2 in complex with M2Rpp -

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Basic information

Entry
Database: EMDB / ID: EMD-36078
TitleStructure of beta-arrestin2 in complex with M2Rpp
Map data
Sample
  • Complex: beta-arrestin2 in complex with M2Rpp
    • Complex: beta-arrestin2
      • Protein or peptide: Beta-arrestin-2Arrestin beta 2
    • Complex: Fab30
      • Protein or peptide: Fab30 Heavy Chain
      • Protein or peptide: Fab30 Light Chain
    • Complex: Muscarinic receptor M2R
      • Protein or peptide: Muscarinic acetylcholine receptor M2
KeywordsGPCR / Arrestin / SIGNALING PROTEIN / SIGNALING PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


angiotensin receptor binding / Muscarinic acetylcholine receptors / symmetric synapse / phospholipase C-activating G protein-coupled acetylcholine receptor signaling pathway / G protein-coupled acetylcholine receptor activity / regulation of smooth muscle contraction / desensitization of G protein-coupled receptor signaling pathway / cholinergic synapse / inositol hexakisphosphate binding / adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway ...angiotensin receptor binding / Muscarinic acetylcholine receptors / symmetric synapse / phospholipase C-activating G protein-coupled acetylcholine receptor signaling pathway / G protein-coupled acetylcholine receptor activity / regulation of smooth muscle contraction / desensitization of G protein-coupled receptor signaling pathway / cholinergic synapse / inositol hexakisphosphate binding / adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway / G protein-coupled serotonin receptor activity / arrestin family protein binding / G protein-coupled receptor internalization / regulation of heart contraction / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / phosphatidylinositol-3,4,5-trisphosphate binding / positive regulation of receptor internalization / endocytic vesicle / asymmetric synapse / axon terminus / clathrin-coated pit / presynaptic modulation of chemical synaptic transmission / phosphatidylinositol binding / clathrin-coated endocytic vesicle membrane / response to virus / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G protein-coupled acetylcholine receptor signaling pathway / receptor internalization / protein transport / Cargo recognition for clathrin-mediated endocytosis / presynaptic membrane / Clathrin-mediated endocytosis / nervous system development / G alpha (i) signalling events / chemical synaptic transmission / postsynaptic membrane / positive regulation of ERK1 and ERK2 cascade / molecular adaptor activity / G protein-coupled receptor signaling pathway / dendrite / neuronal cell body / glutamatergic synapse / synapse / signal transduction / membrane / nucleus / plasma membrane / cytoplasm
Similarity search - Function
Muscarinic acetylcholine receptor M2 / Muscarinic acetylcholine receptor family / Arrestin, conserved site / Arrestins signature. / Arrestin / Arrestin, N-terminal / Arrestin-like, N-terminal / Arrestin C-terminal-like domain / Arrestin (or S-antigen), N-terminal domain / Arrestin (or S-antigen), C-terminal domain ...Muscarinic acetylcholine receptor M2 / Muscarinic acetylcholine receptor family / Arrestin, conserved site / Arrestins signature. / Arrestin / Arrestin, N-terminal / Arrestin-like, N-terminal / Arrestin C-terminal-like domain / Arrestin (or S-antigen), N-terminal domain / Arrestin (or S-antigen), C-terminal domain / Arrestin (or S-antigen), C-terminal domain / Arrestin-like, C-terminal / Serpentine type 7TM GPCR chemoreceptor Srsx / 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) / Immunoglobulin E-set
Similarity search - Domain/homology
Muscarinic acetylcholine receptor M2 / Beta-arrestin-2
Similarity search - Component
Biological speciesBos taurus (cattle) / Mus musculus (house mouse) / Homo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsMaharana J / Sano FK / Shihoya W / Banerjee R / Nureki O / Shukla AK
Funding support India, 4 items
OrganizationGrant numberCountry
Science and Engineering Research Board (SERB)IPA/2020/000405 India
Department of Biotechnology (DBT, India)IA/S/20/1/504916 India
Science and Engineering Research Board (SERB)CRG/2022/002646 India
Science and Engineering Research Board (SERB)SPR/2020/000408 India
CitationJournal: Science / Year: 2024
Title: Molecular insights into atypical modes of β-arrestin interaction with seven transmembrane receptors.
Authors: Jagannath Maharana / Fumiya K Sano / Parishmita Sarma / Manish K Yadav / Longhan Duan / Tomasz M Stepniewski / Madhu Chaturvedi / Ashutosh Ranjan / Vinay Singh / Sayantan Saha / Gargi ...Authors: Jagannath Maharana / Fumiya K Sano / Parishmita Sarma / Manish K Yadav / Longhan Duan / Tomasz M Stepniewski / Madhu Chaturvedi / Ashutosh Ranjan / Vinay Singh / Sayantan Saha / Gargi Mahajan / Mohamed Chami / Wataru Shihoya / Jana Selent / Ka Young Chung / Ramanuj Banerjee / Osamu Nureki / Arun K Shukla /
Abstract: β-arrestins (βarrs) are multifunctional proteins involved in signaling and regulation of seven transmembrane receptors (7TMRs), and their interaction is driven primarily by agonist-induced receptor ...β-arrestins (βarrs) are multifunctional proteins involved in signaling and regulation of seven transmembrane receptors (7TMRs), and their interaction is driven primarily by agonist-induced receptor activation and phosphorylation. Here, we present seven cryo-electron microscopy structures of βarrs either in the basal state, activated by the muscarinic receptor subtype 2 (M2R) through its third intracellular loop, or activated by the βarr-biased decoy D6 receptor (D6R). Combined with biochemical, cellular, and biophysical experiments, these structural snapshots allow the visualization of atypical engagement of βarrs with 7TMRs and also reveal a structural transition in the carboxyl terminus of βarr2 from a β strand to an α helix upon activation by D6R. Our study provides previously unanticipated molecular insights into the structural and functional diversity encoded in 7TMR-βarr complexes with direct implications for exploring novel therapeutic avenues.
History
DepositionMay 2, 2023-
Header (metadata) releaseDec 27, 2023-
Map releaseDec 27, 2023-
UpdateJan 17, 2024-
Current statusJan 17, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_36078.png

Downloads & links

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Map

FileDownload / File: emd_36078.map.gz / Format: CCP4 / Size: 91.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.1989 Å
Density
Contour LevelBy AUTHOR: 0.62
Minimum - Maximum-3.922199 - 6.711137
Average (Standard dev.)-0.0013690832 (±0.121064134)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions288288288
Spacing288288288
CellA=B=C: 345.2832 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_36078_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_36078_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : beta-arrestin2 in complex with M2Rpp

EntireName: beta-arrestin2 in complex with M2Rpp
Components
  • Complex: beta-arrestin2 in complex with M2Rpp
    • Complex: beta-arrestin2
      • Protein or peptide: Beta-arrestin-2Arrestin beta 2
    • Complex: Fab30
      • Protein or peptide: Fab30 Heavy Chain
      • Protein or peptide: Fab30 Light Chain
    • Complex: Muscarinic receptor M2R
      • Protein or peptide: Muscarinic acetylcholine receptor M2

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Supramolecule #1: beta-arrestin2 in complex with M2Rpp

SupramoleculeName: beta-arrestin2 in complex with M2Rpp / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all

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Supramolecule #2: beta-arrestin2

SupramoleculeName: beta-arrestin2 / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Bos taurus (cattle)

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Supramolecule #3: Fab30

SupramoleculeName: Fab30 / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2-#3
Source (natural)Organism: Mus musculus (house mouse)

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Supramolecule #4: Muscarinic receptor M2R

SupramoleculeName: Muscarinic receptor M2R / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #4
Source (natural)Organism: Homo sapiens (human) / Synthetically produced: Yes

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Macromolecule #1: Beta-arrestin-2

MacromoleculeName: Beta-arrestin-2 / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (cattle)
Molecular weightTheoretical: 47.217676 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MGEKPGTRVF KKSSPNGKLT VYLGKRDFVD HLDKVDPVDG VVLVDPDYLK DRKVFVTLTV AFRYGREDCD VLGLSFRKDL FIANYQAFP PTPNPPRPPT RLQERLLRKL GQHAHPFFFT IPQNLPSSVT LQPGPEDTGK ALGVDFEIRA FVAKSLEEKS H KRNSVRLV ...String:
MGEKPGTRVF KKSSPNGKLT VYLGKRDFVD HLDKVDPVDG VVLVDPDYLK DRKVFVTLTV AFRYGREDCD VLGLSFRKDL FIANYQAFP PTPNPPRPPT RLQERLLRKL GQHAHPFFFT IPQNLPSSVT LQPGPEDTGK ALGVDFEIRA FVAKSLEEKS H KRNSVRLV IRKVQFAPEK PGPQPSAETT RHFLMSDRSL HLEASLDKEL YYHGEPLNVN VHVTNNSTKT VKKIKVSVRQ YA DIVLFST AQYKVPVAQV EQDDQVSPSS TFSKVYTITP FLANNREKRG LALDGKLKHE DTNLASSTIV KEGANKEVLG ILV SYRVKV KLVVSRGGDV SVELPFVLMH PKPHDHIALP RPQSAATHPP TLLPSAVPET DAPVDTNLIE FETNYATDDD IVFE DFARL RLKGLKDEDY DDQFC

UniProtKB: Beta-arrestin-2

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Macromolecule #2: Fab30 Heavy Chain

MacromoleculeName: Fab30 Heavy Chain / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 25.512354 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: EISEVQLVES GGGLVQPGGS LRLSCAASGF NVYSSSIHWV RQAPGKGLEW VASISSYYGY TYYADSVKGR FTISADTSKN TAYLQMNSL RAEDTAVYYC ARSRQFWYSG LDYWGQGTLV TVSSASTKGP SVFPLAPSSK STSGGTAALG CLVKDYFPEP V TVSWNSGA ...String:
EISEVQLVES GGGLVQPGGS LRLSCAASGF NVYSSSIHWV RQAPGKGLEW VASISSYYGY TYYADSVKGR FTISADTSKN TAYLQMNSL RAEDTAVYYC ARSRQFWYSG LDYWGQGTLV TVSSASTKGP SVFPLAPSSK STSGGTAALG CLVKDYFPEP V TVSWNSGA LTSGVHTFPA VLQSSGLYSL SSVVTVPSSS LGTQTYICNV NHKPSNTKVD KKVEPKSCDK THHHHHHHH

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Macromolecule #3: Fab30 Light Chain

MacromoleculeName: Fab30 Light Chain / type: protein_or_peptide / ID: 3 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 23.435064 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: SDIQMTQSPS SLSASVGDRV TITCRASQSV SSAVAWYQQK PGKAPKLLIY SASSLYSGVP SRFSGSRSGT DFTLTISSLQ PEDFATYYC QQYKYVPVTF GQGTKVEIKR TVAAPSVFIF PPSDSQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD ...String:
SDIQMTQSPS SLSASVGDRV TITCRASQSV SSAVAWYQQK PGKAPKLLIY SASSLYSGVP SRFSGSRSGT DFTLTISSLQ PEDFATYYC QQYKYVPVTF GQGTKVEIKR TVAAPSVFIF PPSDSQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD SKDSTYSLSS TLTLSKADYE KHKVYACEVT HQGLSSPVTK SFNRGEC

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Macromolecule #4: Muscarinic acetylcholine receptor M2

MacromoleculeName: Muscarinic acetylcholine receptor M2 / type: protein_or_peptide / ID: 4 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 2.362918 KDa
SequenceString:
EI(TPO)QDEN(TPO)V(SEP) (TPO)SLGH(SEP)KD

UniProtKB: Muscarinic acetylcholine receptor M2

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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
Component:
ConcentrationFormulaName
20.0 mMC8H18N2O4SHEPES
300.0 mMNaClSodium chlorideSodium chloride
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 / Cs: 2.7 mm / Nominal defocus max: 1.6 µm / Nominal defocus min: 0.8 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Detector mode: COUNTING / Number real images: 2596 / Average electron dose: 56.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 1861553
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

8goc

Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final 3D classificationSoftware - Name: cryoSPARC (ver. 3.3.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionApplied symmetry - Point group: C3 (3 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 3.3.1) / Number images used: 224494
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelPDB ID:

8goc


Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementSpace: REAL / Protocol: FLEXIBLE FIT
Output model

PDB-8j8r:
Structure of beta-arrestin2 in complex with M2Rpp

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