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Borealin N-terminus in complex with H3.T3p-nucleosome
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3AFA experimental model PDB 6YIH
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 31.092 f_angle_d 0.57 f_chiral_restr 0.039 f_bond_d 0.004 f_plane_restr 0.004
Sample Human CPC localisation module in complex with Xenopus H3.T3p-nucleosome Sample Components H3.T3p-nucleosome Chromosome Passenger Complex localisation module (Borealin N-terminus only)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 3 s blotting time, -10 force, no wait time.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 1180547 Reported Resolution (Å) 2.29 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (3AFA, 6YIH) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Cross-correlation coefficient Overall B Value 66.48 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 43.86
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2300 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 58009 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.4.0 CTF CORRECTION cryoSPARC 4.4.0 MODEL FITTING UCSF Chimera 1.14 MODEL FITTING Coot 0.9.8.1 CLASSIFICATION cryoSPARC 4.4.0 RECONSTRUCTION cryoSPARC 4.4.0 MODEL REFINEMENT PHENIX 1.20.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION CTF amplitude correction first performed following movie motion correction, and CTF parameters were later refined during the refinement of the final reconstruction 3099937 Blob-based picking, using 110 A expected particle diameter.