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CryoEM structure of the human Separase-Cdk1-cyclin B1-Cks1 complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QMZ experimental model PDB 4YC3
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.622 f_angle_d 0.595 f_chiral_restr 0.039 f_plane_restr 0.005 f_bond_d 0.004
Sample Mutual inhibitory complex of human separase-Cdk1-cyclin B1-Cks1 (CCC) complex.
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 312836 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (1QMZ, 4YC3) Refinement Space Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 78
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1300 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Topaz IMAGE ACQUISITION EPU CTF CORRECTION Gctf CTF CORRECTION cryoSPARC MODEL FITTING Coot 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