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Cryo-EM structure of the 2:1 Orc1 BAH domain in complex with nucleosome
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6OM3 experimental model PDB 1M4Z experimental model PDB 3LZ0 experimental model PDB 1ID3
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 22.985 f_angle_d 0.716 f_chiral_restr 0.044 f_plane_restr 0.005 f_bond_d 0.004
Sample Yeast Orc1 BAH domain in complex with 147-bp nucleosome Sample Components Histone DNA Origin recognition complex subunit 1
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 119206 Reported Resolution (Å) 4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (6OM3, 1M4Z, 3LZ0, 1ID3) 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) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI ARCTICA 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) 200 Imaging Details
EM Software Task Software Package Version CTF CORRECTION Gctf MODEL FITTING UCSF Chimera RECONSTRUCTION RELION 3.0 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION