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human Bact spliceosome core structure
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.414 f_angle_d 1.263 f_chiral_restr 0.07 f_bond_d 0.011 f_plane_restr 0.009
Sample human Bact spliceosome state 1 unmasked
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details blot with blotting sensor
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 17000 Reported Resolution (Å) 3.4 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 RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 4500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 0.001 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 59000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version CTF CORRECTION Gctf MODEL FITTING UCSF Chimera INITIAL EULER ASSIGNMENT EMAN2 FINAL EULER ASSIGNMENT RELION CLASSIFICATION RELION RECONSTRUCTION RELION MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY 308000