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Q21 transcription antitermination complex: loading complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5IPL experimental model PDB 4MEY experimental model PDB 4YLN
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.0881 f_angle_d 0.7462 f_chiral_restr 0.0499 f_plane_restr 0.0057 f_bond_d 0.0033
Sample Q21-loading complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 150310 Reported Resolution (Å) 3.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (5IPL, 5IPL, 5IPL, 5IPL, 5IPL, 4MEY, 4YLN, 4YLN, 4YLN) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target 0.143 Overall B Value 50 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 1.4
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 FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 22500 Calibrated Magnification 47608 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0 IMAGE ACQUISITION SerialEM CTF CORRECTION Gctf 1.06 MODEL FITTING PHENIX 1.14 INITIAL EULER ASSIGNMENT RELION 3.0 FINAL EULER ASSIGNMENT RELION 3.0 CLASSIFICATION RELION 3.0 RECONSTRUCTION RELION 3.0 MODEL REFINEMENT PHENIX 1.14
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1045380