7OHF

Cryo-EM structure of pyrococcus furiosus apoferritin in nanofluidic channels


ELECTRON MICROSCOPY
Sample
24-mer of pyrococcus furiosus apoferritin
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsThe sample was filled into cryoChips through the cantilever and then transferred within ~10 seconds to the Leica plunger for freezing.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles21238
Reported Resolution (Å)3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (2X17)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)63
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)-1000
Maximum Defocus (nm)-2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONcryoSPARC3.1
MODEL FITTINGUCSF Chimera1.13.1
FINAL EULER ASSIGNMENTcryoSPARC3.1
CLASSIFICATIONcryoSPARC3.1
RECONSTRUCTIONcryoSPARC3.1
MODEL REFINEMENTPHENIX1.13
MODEL REFINEMENTCoot0.8.9.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION