ELECTRON MICROSCOPY

Sample

Nucleosome core particle containing variant H2A.Z and canonical core histones

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details blot for 4.5 seconds before plunging
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 42826
Reported Resolution (Å) 3.7
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target rmsd
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 33
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 92000
Calibrated Magnification 123811
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION EPU ?
CTF CORRECTION CTFFIND 4.1.14
MODEL FITTING RELION 3.1.0
INITIAL EULER ASSIGNMENT RELION 3.1.0
FINAL EULER ASSIGNMENT RELION 3.1.0
CLASSIFICATION RELION 3.1.0
RECONSTRUCTION RELION 3.1.0
MODEL REFINEMENT PHENIX 1.15.2
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?