22FX | pdb_000022fx

Cryo-EM structure of mouse heavy-chain apoferritin at 1.24 A on CRYO ARM 200 II


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7A4M 
Sample
homo 24-mer mouse heavy-chain apoferritin
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details3 ul sample, 20 s blot time
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles615248
Reported Resolution (Å)1.24
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7A4M)
Refinement SpaceRECIPROCAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)53.4
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelJEOL CRYO ARM 200
Minimum Defocus (nm)200
Maximum Defocus (nm)800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS1.5
Imaging ModeBRIGHT FIELD
Specimen Holder ModelJEOL CRYOSPECPORTER
Nominal Magnification150000
Calibrated Magnification163612
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.5
IMAGE ACQUISITIONSerialEM4.0
CTF CORRECTIONcryoSPARC4.5
MODEL FITTINGCoot
MODEL REFINEMENTServalcat
MODEL REFINEMENTCoot
INITIAL EULER ASSIGNMENTcryoSPARC4.5
FINAL EULER ASSIGNMENTcryoSPARC4.5
CLASSIFICATIONcryoSPARC4.5
RECONSTRUCTIONcryoSPARC4.5
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION652257