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Cryo-EM structure of human CST bound to DNA polymerase alpha-primase in a recruitment state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5EXR experimental model PDB 6W6W
Sample Human CST bound to DNA polymerase alpha(POLA1 delta N)-primase in a recruitment state
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 131850 Reported Resolution (Å) 4.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (5EXR, 6W6W) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 52
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2200 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) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Gautomatch 0.56 IMAGE ACQUISITION SerialEM MODEL FITTING UCSF Chimera 1.13.1 MODEL FITTING UCSF ChimeraX 0.93.0 MODEL FITTING ISOLDE 1.0 INITIAL EULER ASSIGNMENT RELION 3.0 FINAL EULER ASSIGNMENT RELION 3.0 RECONSTRUCTION RELION 3.0 MODEL REFINEMENT PHENIX 1.17.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE