7THR

Cryo-electron microscopy of Adeno-associated virus serotype 4 at 2.2 A


ELECTRON MICROSCOPY
Sample
Adeno-associated virus
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot force: 4 time: 2 s
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles75226
Reported Resolution (Å)2.21
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (2G8G)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
DetailsLink to CNS_RSRef software: https://chapman.missouri.edu/software/
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)48
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification16500
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM3.8
CTF CORRECTIONRELION3.1.1
MODEL FITTINGCNS0.5
MODEL REFINEMENTCoot0.8.9.2
INITIAL EULER ASSIGNMENTRELION3.1.1
FINAL EULER ASSIGNMENTRELION3.1.1
CLASSIFICATIONRELION3.1.1
RECONSTRUCTIONRELION3.1.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY75226