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Cryo-EM structure of the centromeric nucleosome with native alpha satellite DNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6E0P
Sample CENP-A nucleosome with native alpha satellite DNA sequence
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 2.5 sec before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 303863 Reported Resolution (Å) 3.395 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6E0P) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION Latitude MODEL FITTING UCSF Chimera 1.13.1 FINAL EULER ASSIGNMENT RELION 3.0 beta2 CLASSIFICATION RELION 3.0 beta2 RECONSTRUCTION RELION 3.0 beta2 MODEL REFINEMENT PHENIX 1.13-2998
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE