6PQR
Cryo-EM structure of HzTransib/intact TIR substrate DNA pre-reaction complex (PRC)
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 18.044 |
| f_angle_d | 0.784 |
| f_chiral_restr | 0.048 |
| f_plane_restr | 0.017 |
| f_bond_d | 0.009 |
| Sample |
|---|
| Pre-reaction complex of HzTransib with intact TIR substrate DNA |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Blot for 3 seconds before plunging |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 32984 |
| Reported Resolution (Å) | 3.4 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C2 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (6PQN) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | Correlation coefficient | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | Initial local fitting was done using UCSF Chimera, then manually adjusted and rebuilt in Coot. Final model was refined using Phenix real-space refinem ... | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 50.8 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 1400 |
| Maximum Defocus (nm) | 2400 |
| 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 | Preliminary grid screening was performed manually. |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | Gautomatch | 0.56 |
| IMAGE ACQUISITION | SerialEM | |
| CTF CORRECTION | RELION | 3.0 |
| MODEL FITTING | UCSF Chimera | 1.13 |
| INITIAL EULER ASSIGNMENT | RELION | 3.0 |
| FINAL EULER ASSIGNMENT | RELION | 3.0 |
| CLASSIFICATION | RELION | 3.0 |
| RECONSTRUCTION | RELION | 3.0 |
| MODEL REFINEMENT | PHENIX | 1.15 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
