☰ Navigation Tabs
CryoEM structure of DNA Polymerase alpha - primase bound to SARS CoV nsp1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5EXR experimental model PDB 7K3N experimental model PDB 2HSX
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.236 f_angle_d 0.728 f_chiral_restr 0.047 f_plane_restr 0.007 f_bond_d 0.003
Sample Complex of DNA polymerase alpha - primase bound to SARS COV-2 nsp1
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 233476 Reported Resolution (Å) 4.12 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (5EXR, 5EXR, 5EXR, 5EXR, 7K3N, 2HSX) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 46.91
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) -2.5 Maximum Defocus (nm) -0.7 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1 IMAGE ACQUISITION EPU 2.7 CTF CORRECTION CTFFIND 4.1 MODEL FITTING PHENIX 1.19.1-4122 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX 1.19.1-4122
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 709068