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- PDB-5vhw: GluA2-0xGSG1L bound to ZK -

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Database: PDB / ID: 5vhw
TitleGluA2-0xGSG1L bound to ZK
DescriptorGlutamate receptor 2,Germ cell-specific gene 1-like protein
KeywordsTRANSPORT PROTEIN / Ion channel
Specimen sourceRattus norvegicus / mammal / Rat / ドブネズミ, どぶねずみ /
MethodElectron microscopy (7.8 Å resolution / Particle / Single particle)
AuthorsTwomey, E.C. / Yelshanskaya, M.V. / Grassucci, R.A. / Frank, J. / Sobolevsky, A.I.
CitationNeuron, 2017, 94, 569-580.e5

Neuron, 2017, 94, 569-580.e5 Yorodumi Papers
Structural Bases of Desensitization in AMPA Receptor-Auxiliary Subunit Complexes.
Edward C Twomey / Maria V Yelshanskaya / Robert A Grassucci / Joachim Frank / Alexander I Sobolevsky

Validation Report
SummaryFull reportAbout validation report
DateDeposition: Apr 13, 2017 / Release: May 3, 2017
RevisionDateData content typeGroupCategoryItemProviderType
1.0May 3, 2017Structure modelrepositoryInitial release
1.1May 17, 2017Structure modelDatabase references
1.2Sep 20, 2017Structure modelAuthor supporting evidence / Data collectionem_image_scans / pdbx_audit_support_pdbx_audit_support.funding_organization
1.3Nov 8, 2017Structure modelDerived calculations / Experimental preparationem_sample_support / pdbx_struct_assembly_em_sample_support.grid_type / _pdbx_struct_assembly.details / _pdbx_struct_assembly.method_details

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Deposited unit
A: Glutamate receptor 2,Germ cell-specific gene 1-like protein
B: Glutamate receptor 2,Germ cell-specific gene 1-like protein
C: Glutamate receptor 2,Germ cell-specific gene 1-like protein
D: Glutamate receptor 2,Germ cell-specific gene 1-like protein
hetero molecules

Theoretical massNumber of molelcules
Total (without water)472,40712

TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area (Å2)28240
ΔGint (kcal/M)-209
Surface area (Å2)145030


#1: Polypeptide(L)
Glutamate receptor 2,Germ cell-specific gene 1-like protein / GluR-2 / AMPA-selective glutamate receptor 2 / GluR-B / GluR-K2 / Glutamate receptor ionotropic / AMPA 2 / GluA2 / GSG1-like protein

Mass: 117471.211 Da / Num. of mol.: 4
Source: (gene. exp.) Rattus norvegicus / mammal / ドブネズミ, どぶねずみ /
References: UniProt: P19491, UniProt: D3ZK93

Cellular component

Molecular function

Biological process

#2: 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 / Formula: C14H15F3N3O6P
#3: Chemical

Mass: 221.208 Da / Num. of mol.: 4 / Formula: C8H15NO6

Experimental details


EM experimentAggregation state: PARTICLE / Reconstruction method: SINGLE PARTICLE

Sample preparation

ComponentName: GluA2-0xGSG1L cryo-EM density / Type: COMPLEX / Entity ID: 1, 2 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Rattus norvegicus
Source (recombinant)Organism: Rattus norvegicus
Buffer solutionpH: 8
SpecimenConc.: 5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: Gold-gold grids, hydrogen and oxygen glow discharge (20s, 10 watts, 6.4 sccm H2, 27.5 sccm O2)
Grid material: GOLD / Grid mesh size: 200 / Grid type: C-flat-1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 295 kelvins

Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyMicroscope model: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: SPOT SCAN
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 80 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 SUMMIT (4k x 4k)


SymmetryPoint symmetry: C2
3D reconstructionResolution: 7.8 Å / Resolution method: FSC 0.143 CUT-OFF / Number of particles: 14372 / Algorithm: FOURIER SPACE / Symmetry type: POINT

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