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Cryo-EM structure of human apo RNA Polymerase III
Sample Cryo-EM structure of human apo RNA Polymerase III
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Wait time 10 s
Blot force 4
Blot time 4 s
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 111289 Reported Resolution (Å) 3.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 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) 38.11
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 750 Maximum Defocus (nm) 2250 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 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Warp 1.0.6 IMAGE ACQUISITION SerialEM CTF CORRECTION Warp 1.0.6 CTF CORRECTION RELION 3.1 MODEL FITTING Coot 0.8.9.1 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX 1.13
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 304683