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 9SWW | pdb_00009sww

GFAP intermediate filament


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 
experimental modelPDB 6A9P 
Sample
Assembled GFAP intermediate filament
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles236160
Reported Resolution (Å)7.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise63.3
Angular Rotation127
Map-Model Fitting and Refinement
Id1 (6A9P)
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.7.1
PARTICLE SELECTIONRELION5.0.0_cu11.8
MODEL FITTINGUCSF ChimeraX1.9
MODEL FITTINGISOLDE1.9
RECONSTRUCTIONRELION5.0.0_cu11.8
MODEL REFINEMENTISOLDE1.9
MODEL REFINEMENTPHENIX1.21.2
MODEL REFINEMENTCoot0.9.8.96
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1998372