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- PDB-5vhx: GluA2-1xGSG1L bound to ZK -

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Basic information

Entry
Database: PDB / ID: 5vhx
TitleGluA2-1xGSG1L 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 (8.3 A resolution / 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 StrPapers
Structural Bases of Desensitization in AMPA Receptor-Auxiliary Subunit Complexes.
Edward C Twomey / Maria V Yelshanskaya / Robert A Grassucci / Joachim Frank / Alexander I Sobolevsky

DateDeposition: Apr 13, 2017 / Release: May 3, 2017 / Last modification: May 17, 2017

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Assembly

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
E: Glutamate receptor 2,Germ cell-specific gene 1-like protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)589,87813
Polyers587,3565
Non-polymers2,5228
Water0
#1


TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area (A2)30480
ΔGint (kcal/M)-237
Surface area (A2)153210
MethodPISA

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Components

#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.: 5
Source: (gene. exp.) Rattus norvegicus / mammal / ドブネズミ, どぶねずみ /
References: UniProt: P19491, UniProt: D3ZK93
#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
ChemComp-NAG / N-ACETYL-D-GLUCOSAMINE


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

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentReconstruction method: SINGLE PARTICLE

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Sample preparation

ComponentName: GluA2-1xGSG1L cryo-EM density / Type: COMPLEX
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 /inch. / Grid type: C-flat 1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100

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Electron microscopy imaging

MicroscopyMicroscope model: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: SPOT SCAN
Electron lensMode: BRIGHT FIELD

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Processing

3D reconstructionResolution: 8.3 A / Resolution method: FSC 0.143 CUT-OFF / Number of particles: 16454

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