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Complete auto-inhibitory complex of Xenopus laevis DNA polymerase alpha-primase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model SwissModel 4BPU experimental model PDB 8G99
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.124 f_angle_d 0.491 f_chiral_restr 0.04 f_plane_restr 0.004 f_bond_d 0.003
Sample Polymerase alpha-primase Sample Components Polymerase alpha Primase
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 47277 Reported Resolution (Å) 3.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (8G99) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 54.8
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC PARTICLE SELECTION Topaz IMAGE ACQUISITION SerialEM CTF CORRECTION MotionCorr2 MODEL FITTING Coot INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT RELION 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 23007566