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Cryo-EM structure of the yeast pre-B complex at an average resolution of 3.4~4.6 angstrom (tri-snRNP and U2 snRNP Part)
Sample yeast fully assembled spliceosomal pre-B complex before activation
Specimen Preparation Sample Aggregation State CELL Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 500657 Reported Resolution (Å) 3.4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50
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 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version INITIAL EULER ASSIGNMENT RELION 2.0 FINAL EULER ASSIGNMENT RELION 2.0 CLASSIFICATION RELION 2.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE