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 10GG | pdb_000010gg

The eukaryotic translation initiation factor 2B from Homo sapiens with a L179V mutation in the delta subunit bound to methylated ISRIB


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7L7G 
Sample
Eukaryotic translation initiation factor 2-B with an L179V point mutation in the delta subunit bound to mISRIB
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles43108
Reported Resolution (Å)2.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (7L7G)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)1600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.7.0
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC4.7.0
MODEL FITTINGISOLDE1.10
INITIAL EULER ASSIGNMENTcryoSPARC4.7.0
FINAL EULER ASSIGNMENTcryoSPARC4.7.0
CLASSIFICATIONcryoSPARC4.7.0
RECONSTRUCTIONcryoSPARC4.7.0
MODEL REFINEMENTServalcat0.4.128
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1888399