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Cryo-EM structure of the Catalytic Step II spliceosome (C* complex) at 4.0 angstrom resolution
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.203 f_angle_d 1.419 f_chiral_restr 0.069 f_bond_d 0.016 f_plane_restr 0.007
Sample Yeast Step II Catalytically Activated Spliceosome (C* spliceosome)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 27558 Reported Resolution (Å) 4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 1.6
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model GATAN LIQUID NITROGEN Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 1.4 CTF CORRECTION CTFFIND 3 MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT RELION 1.4 FINAL EULER ASSIGNMENT RELION 1.4 CLASSIFICATION RELION 1.4 RECONSTRUCTION RELION 1.4
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE