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Cryo-EM structure of Arabidopsis H3-H4 octasome class3
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 30.908 f_angle_d 0.53 f_chiral_restr 0.03 f_bond_d 0.003 f_plane_restr 0.003
Sample Arabidopsis thaliana H3-H4 octasome reconstituted on Widom 601 DNA
Specimen Preparation 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 70192 Reported Resolution (Å) 3.49 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOCONTINUUM (6k x 4k) Electron Dose (electrons/Å**2) 50.3
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 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
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC v4.7.1 MODEL REFINEMENT PHENIX 1.21.2_5419 RECONSTRUCTION cryoSPARC v4.7.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION