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Cryo-EM structure of human separase bound to SCC1 (310-550 aa)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7NJ1
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.252 f_angle_d 0.865 f_chiral_restr 0.038 f_bond_d 0.011 f_plane_restr 0.008
Sample Separase bound to SCC1 (310-550 aa)
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 614186 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (7NJ1) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type TFS FALCON 4i (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 600 Maximum Defocus (nm) 2000 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.4.0 IMAGE ACQUISITION EPU 2.13 CTF CORRECTION cryoSPARC 4.4.0 MODEL FITTING UCSF ChimeraX 1.8 MODEL REFINEMENT PHENIX 1.20.1_4487 MODEL REFINEMENT Coot 0.9.8.92 INITIAL EULER ASSIGNMENT cryoSPARC 4.4.0 FINAL EULER ASSIGNMENT cryoSPARC 4.4.0 CLASSIFICATION cryoSPARC 4.4.0 RECONSTRUCTION cryoSPARC 4.4.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 106898589 The particles were automatically selected