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Cryo-EM structure of human CPSF160-WDR33-CPSF30-PAS RNA-CstF77 complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6DNH experimental model PDB 2OOE
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.295 f_angle_d 0.991 f_chiral_restr 0.056 f_bond_d 0.009 f_plane_restr 0.007
Sample The complex of human mPSF-PAS RNA-CstF
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 50092 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (6DNH, 2OOE) 2 (6DNH, 2OOE) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details The model went through phenix.refine from the crystal structure(2OOE), but was not manually rebuilt due to lack of sufficient side chain density.
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 70
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2500 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 225000 Calibrated Magnification 46729 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version CTF CORRECTION CTFFIND 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