ELECTRON MICROSCOPY

Sample

DNMT3A1-DNMT3L in complex with a human H2AKc119ub nucleosome wrapped with 195bp of Widom-601 positioning DNA

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 191397
Reported Resolution (Å) 3.1
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 RIGID BODY FIT
Refinement Target ?
Overall B Value 50
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 (6k x 4k)
Electron Dose (electrons/Å2) 61
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 105000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 4.3.1
IMAGE ACQUISITION EPU ?
CTF CORRECTION cryoSPARC 4.3.1
MODEL FITTING ISOLDE 1.6.0
MODEL FITTING UCSF ChimeraX 1.6.1
MODEL REFINEMENT PHENIX 1.20.1-4487
MODEL REFINEMENT Coot 0.9.8.8
INITIAL EULER ASSIGNMENT cryoSPARC 4.3.1
FINAL EULER ASSIGNMENT cryoSPARC 4.3.1
CLASSIFICATION cryoSPARC 4.3.1
RECONSTRUCTION cryoSPARC 4.3.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?