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The intermediate pre-Tet-S1 state of G264A mutated Tetrahymena group I intron with 6nt 3'/5'-exon and 2-aminopurine nucleoside
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.47 f_angle_d 0.612 f_chiral_restr 0.027 f_plane_restr 0.004 f_bond_d 0.002
Sample Co-transcriptional folded G264A mutated Tetrahymena group I intron with 6-nt 3'/5'-exon and 2-aminopurine nucleoside
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 111196 Reported Resolution (Å) 3.52 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 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) 55
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 3700 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 PARTICLE SELECTION EMAN2 2.31 IMAGE ACQUISITION EPU 2.9 CTF CORRECTION RELION 3.1 CTF CORRECTION CTFFIND 4.0 MODEL FITTING UCSF Chimera 1.14 MODEL REFINEMENT PHENIX 1.15 MODEL REFINEMENT Coot 0.8.7 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 4012136