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The relaxed pre-Tet-S1 state of wild-type Tetrahymena group I intron with 6nt 3'/5'-exon
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7EZ0
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 19.454 f_angle_d 0.771 f_chiral_restr 0.028 f_plane_restr 0.003 f_bond_d 0.002
Sample Co-transcriptional folded wild-type Tetrahymena group I intron with 6nt 3'/5'-exon
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 44326 Reported Resolution (Å) 4.05 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7EZ0) Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 61
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 600 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 165000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU 2.8 CTF CORRECTION CTFFIND 4.1.8 CTF CORRECTION RELION 3.1 MODEL FITTING UCSF Chimera 1.14 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX 1.15 MODEL REFINEMENT Coot 0.8.7
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1643322