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Cryo-EM structure of the 1:1 Orc1 BAH domain in complex with nucleosome
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1M4Z experimental model PDB 1ID3 experimental model PDB 6OM3 experimental model PDB 3LZ0
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 31.985 f_angle_d 0.561 f_chiral_restr 0.035 f_bond_d 0.003 f_plane_restr 0.003
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 FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 251525 Reported Resolution (Å) 3.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (6OM3, 1M4Z, 3LZ0, 1ID3) Refinement Space 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 PARTICLE SELECTION Gautomatch CTF CORRECTION Gctf MODEL FITTING UCSF Chimera RECONSTRUCTION RELION MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION