7LAR
Cryo-EM structure of PCV2 Replicase bound to ssDNA
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 20.136 |
| f_angle_d | 1.213 |
| f_chiral_restr | 0.059 |
| f_bond_d | 0.009 |
| f_plane_restr | 0.006 |
| Sample |
|---|
| PCV2 Replicase in complex with ssDNA |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | 4 uL samples were applied to the grids for 3 seconds and blotted using a blot force of 2, a blot time of 4 seconds, and a drain time of 0 seconds. |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 169830 |
| Reported Resolution (Å) | 3.8 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | Resolution is based on 3DFSC global value |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | Correlation coefficient | ||||
| Overall B Value | 65.3 | ||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 71.8 | ||||||||
| 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 | |
| Nominal Magnification | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| CTF CORRECTION | CTFFIND | 4 |
| MODEL FITTING | Coot | 0.8.9.2 |
| INITIAL EULER ASSIGNMENT | cryoSPARC | 2.14 |
| FINAL EULER ASSIGNMENT | cryoSPARC | 2.14 |
| RECONSTRUCTION | cryoSPARC | 2.14 |
| MODEL REFINEMENT | PHENIX | 1.18.2-3874 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
