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 4UQK | pdb_00004uqk

Electron density map of GluA2em in complex with quisqualate and LY451646


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1MM7 
Sample
GLU A2 ATD AND GLUA2 LBD
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsETHANE
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles4795
Reported Resolution (Å)16.4
Resolution Method
Other DetailsFOUR ASSEMBLIES CONSISTING OF TWO ATD DIMERS FROM PDB 3KG2 AND TWO LBD DIMERS FROM PDB 1MM7 WERE FIT AS INDEPENDENT RIGID BODIES TO EM MAPS GEOMETRY A ...FOUR ASSEMBLIES CONSISTING OF TWO ATD DIMERS FROM PDB 3KG2 AND TWO LBD DIMERS FROM PDB 1MM7 WERE FIT AS INDEPENDENT RIGID BODIES TO EM MAPS GEOMETRY AND STEREOCHEMISTRY OUTLIERS ARE THOSE PRESENT IN THE PDB ENTRIES USED FOR RIGID BODY FITTING SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2689. (DEPOSITION ID: 12609).
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (1MM7)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsMETHOD--RIGID BODY REFINEMENT PROTOCOL--RIGID BODY
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)25
Imaging Experiment1
Date of Experiment2013-08-01
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)2000
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification47000
Calibrated Magnification47000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
EACH PARTICLE