6TUT
Cryo-EM structure of the RNA Polymerase III-Maf1 complex
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_long_range_B_refined | 81.064 |
r_scbond_it | 59.677 |
r_mcangle_it | 50.61 |
r_mcbond_it | 37.372 |
r_dihedral_angle_2_deg | 29.88 |
r_dihedral_angle_3_deg | 20.127 |
r_dihedral_angle_4_deg | 20.005 |
r_dihedral_angle_1_deg | 10.667 |
r_angle_refined_deg | 4.78 |
r_chiral_restr | 0.289 |
Sample |
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RNA Polymerase III - Maf1 complex |
Sample Components |
DNA-directed RNA polymerase III |
Repressor of RNA polymerase III transcription MAF1 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | Blot time 6, blot force 2 |
3D Reconstruction | |
---|---|
Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 117442 |
Reported Resolution (Å) | 3.25 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | |||||
Overall B Value | 64 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 60.5 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 750 |
Maximum Defocus (nm) | 3500 |
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 | 130000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
IMAGE ACQUISITION | SerialEM | 3.7 beta |
CTF CORRECTION | Warp | 1.05 |
CTF CORRECTION | RELION | 3.0 |
MODEL FITTING | Coot | 0.89 |
INITIAL EULER ASSIGNMENT | RELION | 3.0 |
FINAL EULER ASSIGNMENT | RELION | 3.0 |
CLASSIFICATION | RELION | 3.0 |
RECONSTRUCTION | RELION | 3.0 |
MODEL REFINEMENT | PHENIX | 1.13 |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 1688795 |