[English] 日本語
Yorodumi
- PDB-7lep: The composite LBD-TMD structure combined from all hippocampal AMP... -

+
Open data


ID or keywords:

Loading...

-
Basic information

Entry
Database: PDB / ID: 7lep
TitleThe composite LBD-TMD structure combined from all hippocampal AMPAR subtypes at 3.25 Angstrom resolution
Components
  • (Mix of AMPAR subunits (GluA1, GluA3, and ...) x 2
  • Glutamate receptor 2
  • Protein cornichon homolog 2
  • Voltage-dependent calcium channel gamma-8 subunit
KeywordsMEMBRANE PROTEIN / Native hippocampal ion channel
Function / homology
Function and homology information


Phase 0 - rapid depolarisation / Phase 2 - plateau phase / Cargo concentration in the ER / COPII-mediated vesicle transport / LGI-ADAM interactions / Trafficking of AMPA receptors / localization within membrane / L-type voltage-gated calcium channel complex / regulation of AMPA receptor activity / channel regulator activity ...Phase 0 - rapid depolarisation / Phase 2 - plateau phase / Cargo concentration in the ER / COPII-mediated vesicle transport / LGI-ADAM interactions / Trafficking of AMPA receptors / localization within membrane / L-type voltage-gated calcium channel complex / regulation of AMPA receptor activity / channel regulator activity / AMPA glutamate receptor complex / regulation of postsynaptic membrane neurotransmitter receptor levels / vesicle-mediated transport / dendritic shaft / regulation of membrane potential / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / calcium channel regulator activity / synaptic transmission, glutamatergic / postsynaptic density membrane / calcium channel activity / Schaffer collateral - CA1 synapse / dendritic spine / postsynaptic membrane / postsynaptic density / dendrite / endoplasmic reticulum membrane / glutamatergic synapse
Similarity search - Function
Voltage-dependent calcium channel, gamma-8 subunit / Cornichon / Cornichon, conserved site / Cornichon protein / Cornichon family signature. / Cornichon / Butyryl-CoA Dehydrogenase, subunit A; domain 3 - #150 / : / PMP-22/EMP/MP20/Claudin family / Voltage-dependent calcium channel, gamma subunit ...Voltage-dependent calcium channel, gamma-8 subunit / Cornichon / Cornichon, conserved site / Cornichon protein / Cornichon family signature. / Cornichon / Butyryl-CoA Dehydrogenase, subunit A; domain 3 - #150 / : / PMP-22/EMP/MP20/Claudin family / Voltage-dependent calcium channel, gamma subunit / PMP-22/EMP/MP20/Claudin superfamily / Butyryl-CoA Dehydrogenase, subunit A; domain 3 / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site / Ligand-gated ion channel / : / Ionotropic glutamate receptor / Eukaryotic homologues of bacterial periplasmic substrate binding proteins. / Receptor, ligand binding region / Receptor family ligand binding region / Periplasmic binding protein-like II / Periplasmic binding protein-like I / D-Maltodextrin-Binding Protein; domain 2 / Up-down Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
TETRADECANE / DECANE / DODECANE / N-OCTANE / Chem-POV / Chem-XVD / Chem-ZK1 / Glutamate receptor / Protein cornichon homolog 2 / Voltage-dependent calcium channel gamma-8 subunit
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.25 Å
AuthorsYu, J. / Rao, P. / Gouaux, E.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)R01NS038631 United States
CitationJournal: Nature / Year: 2021
Title: Hippocampal AMPA receptor assemblies and mechanism of allosteric inhibition.
Authors: Jie Yu / Prashant Rao / Sarah Clark / Jaba Mitra / Taekjip Ha / Eric Gouaux /
Abstract: AMPA-selective glutamate receptors mediate the transduction of signals between the neuronal circuits of the hippocampus. The trafficking, localization, kinetics and pharmacology of AMPA receptors are ...AMPA-selective glutamate receptors mediate the transduction of signals between the neuronal circuits of the hippocampus. The trafficking, localization, kinetics and pharmacology of AMPA receptors are tuned by an ensemble of auxiliary protein subunits, which are integral membrane proteins that associate with the receptor to yield bona fide receptor signalling complexes. Thus far, extensive studies of recombinant AMPA receptor-auxiliary subunit complexes using engineered protein constructs have not been able to faithfully elucidate the molecular architecture of hippocampal AMPA receptor complexes. Here we obtain mouse hippocampal, calcium-impermeable AMPA receptor complexes using immunoaffinity purification and use single-molecule fluorescence and cryo-electron microscopy experiments to elucidate three major AMPA receptor-auxiliary subunit complexes. The GluA1-GluA2, GluA1-GluA2-GluA3 and GluA2-GluA3 receptors are the predominant assemblies, with the auxiliary subunits TARP-γ8 and CNIH2-SynDIG4 non-stochastically positioned at the B'/D' and A'/C' positions, respectively. We further demonstrate how the receptor-TARP-γ8 stoichiometry explains the mechanism of and submaximal inhibition by a clinically relevant, brain-region-specific allosteric inhibitor.
History
DepositionJan 14, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 12, 2021Provider: repository / Type: Initial release
Revision 1.1May 26, 2021Group: Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Jun 30, 2021Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Nov 6, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_admin.last_update / _pdbx_entry_details.has_protein_modification

-
Structure visualization

Movie
  • Deposited structure unit
  • Imaged by Jmol
  • Download
  • Superimposition on EM map
  • EMDB-23292
  • Imaged by UCSF Chimera
  • Download
Movie viewer
Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

-
Assembly

Deposited unit
A: Mix of AMPAR subunits (GluA1, GluA3, and GluA4)
B: Glutamate receptor 2
C: Mix of AMPAR subunits (GluA1, GluA3, and GluAX)
D: Glutamate receptor 2
E: Protein cornichon homolog 2
F: Protein cornichon homolog 2
G: Voltage-dependent calcium channel gamma-8 subunit
H: Voltage-dependent calcium channel gamma-8 subunit
hetero molecules


Theoretical massNumber of molelcules
Total (without water)291,86050
Polymers265,8548
Non-polymers26,00642
Water00
1


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

-
Components

-
Mix of AMPAR subunits (GluA1, GluA3, and ... , 2 types, 2 molecules AC

#1: Protein Mix of AMPAR subunits (GluA1, GluA3, and GluA4)


Mass: 43650.676 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse)
#3: Protein Mix of AMPAR subunits (GluA1, GluA3, and GluAX)


Mass: 43702.637 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse)

-
Protein , 3 types, 6 molecules BDEFGH

#2: Protein Glutamate receptor 2


Mass: 47252.312 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: C9K0Z0
#4: Protein Protein cornichon homolog 2 / CNIH-2 / Cornichon family AMPA receptor auxiliary protein 2 / Cornichon-like protein


Mass: 18755.152 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: O35089
#5: Protein Voltage-dependent calcium channel gamma-8 subunit / Neuronal voltage-gated calcium channel gamma-8 subunit / Transmembrane AMPAR regulatory protein ...Neuronal voltage-gated calcium channel gamma-8 subunit / Transmembrane AMPAR regulatory protein gamma-8 / TARP gamma-8


Mass: 23242.705 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q8VHW2

-
Non-polymers , 7 types, 42 molecules

#6: Chemical
ChemComp-ZK1 / {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid / [[3,4-Dihydro-7-(4-morpholinyl)-2,3-dioxo-6-(trifluorom ethyl)-1(2H)-quinoxalinyl]methyl]phosphonic acid


Mass: 409.254 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C14H15F3N3O6P / Comment: medication*YM
#7: Chemical...
ChemComp-POV / (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate / POPC


Mass: 760.076 Da / Num. of mol.: 30 / Source method: obtained synthetically / Formula: C42H82NO8P / Comment: phospholipid*YM
#8: Chemical ChemComp-C14 / TETRADECANE


Mass: 198.388 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C14H30
#9: Chemical ChemComp-D10 / DECANE


Mass: 142.282 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H22
#10: Chemical ChemComp-XVD / 6-[2-chloro-6-(trifluoromethoxy)phenyl]-1H-benzimidazol-2-ol


Mass: 328.674 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C14H8ClF3N2O2 / Feature type: SUBJECT OF INVESTIGATION
#11: Chemical ChemComp-OCT / N-OCTANE


Mass: 114.229 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H18
#12: Chemical ChemComp-D12 / DODECANE


Mass: 170.335 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C12H26

-
Details

Has ligand of interestY
Has protein modificationY

-
Experimental details

-
Experiment

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

-
Sample preparation

ComponentName: Composite LBD-TMD complex from the combined hippocampal AMPAR subtypes
Type: COMPLEX / Details: Bound with MPQX and JNJ55511118 / Entity ID: #1-#5 / Source: NATURAL
Molecular weightExperimental value: NO
Source (natural)Organism: Mus musculus (house mouse)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE

-
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 FIELD
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

-
Processing

EM softwareName: cryoSPARC / Category: CTF correction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.25 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 116710 / Symmetry type: POINT

+
About Yorodumi

-
News

-
Feb 9, 2022. New format data for meta-information of EMDB entries

New format data for meta-information of EMDB entries

  • Version 3 of the EMDB header file is now the official format.
  • The previous official version 1.9 will be removed from the archive.

Related info.:EMDB header

External links:wwPDB to switch to version 3 of the EMDB data model

-
Aug 12, 2020. Covid-19 info

Covid-19 info

URL: https://pdbj.org/emnavi/covid19.php

New page: Covid-19 featured information page in EM Navigator.

Related info.:Covid-19 info / Mar 5, 2020. Novel coronavirus structure data

+
Mar 5, 2020. Novel coronavirus structure data

Novel coronavirus structure data

Related info.:Yorodumi Speices / Aug 12, 2020. Covid-19 info

External links:COVID-19 featured content - PDBj / Molecule of the Month (242)：Coronavirus Proteases

+
Jan 31, 2019. EMDB accession codes are about to change! (news from PDBe EMDB page)

EMDB accession codes are about to change! (news from PDBe EMDB page)

  • The allocation of 4 digits for EMDB accession codes will soon come to an end. Whilst these codes will remain in use, new EMDB accession codes will include an additional digit and will expand incrementally as the available range of codes is exhausted. The current 4-digit format prefixed with “EMD-” (i.e. EMD-XXXX) will advance to a 5-digit format (i.e. EMD-XXXXX), and so on. It is currently estimated that the 4-digit codes will be depleted around Spring 2019, at which point the 5-digit format will come into force.
  • The EM Navigator/Yorodumi systems omit the EMD- prefix.

Related info.:Q: What is EMD? / ID/Accession-code notation in Yorodumi/EM Navigator

External links:EMDB Accession Codes are Changing Soon! / Contact to PDBj

+
Jul 12, 2017. Major update of PDB

Major update of PDB

  • wwPDB released updated PDB data conforming to the new PDBx/mmCIF dictionary.
  • This is a major update changing the version number from 4 to 5, and with Remediation, in which all the entries are updated.
  • In this update, many items about electron microscopy experimental information are reorganized (e.g. em_software).
  • Now, EM Navigator and Yorodumi are based on the updated data.

External links:wwPDB Remediation / Enriched Model Files Conforming to OneDep Data Standards Now Available in the PDB FTP Archive

-
Yorodumi

Thousand views of thousand structures

  • Yorodumi is a browser for structure data from EMDB, PDB, SASBDB, etc.
  • This page is also the successor to EM Navigator detail page, and also detail information page/front-end page for Omokage search.
  • The word "yorodu" (or yorozu) is an old Japanese word meaning "ten thousand". "mi" (miru) is to see.

Related info.:EMDB / PDB / SASBDB / Comparison of 3 databanks / Yorodumi Search / Aug 31, 2016. New EM Navigator & Yorodumi / Yorodumi Papers / Jmol/JSmol / Function and homology information / Changes in new EM Navigator and Yorodumi

Read more