8PQ5
Human Cohesin ATPase module with an open DNA exit gate
ELECTRON MICROSCOPY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 8P0A | |
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 6.404 |
| f_angle_d | 0.664 |
| f_chiral_restr | 0.047 |
| f_plane_restr | 0.005 |
| f_bond_d | 0.003 |
| Sample |
|---|
| Human Cohesin ATP-open-engaged ATPase module |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 144721 |
| Reported Resolution (Å) | 4.4 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (8P0A) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | GATAN K2 SUMMIT (4k x 4k) | GATAN K2 SUMMIT (4k x 4k) | ||||||
| Electron Dose (electrons/Å**2) | 44.4 | 63.85 | 43.61 | ||||||
| Imaging Experiment | 1 | 2 | 3 |
|---|---|---|---|
| Date of Experiment | |||
| Temperature (Kelvin) | |||
| Microscope Model | TFS GLACIOS | TFS GLACIOS | TFS GLACIOS |
| Minimum Defocus (nm) | 800 | 800 | 800 |
| Maximum Defocus (nm) | 2000 | 3000 | 2000 |
| Minimum Tilt Angle (degrees) | |||
| Maximum Tilt Angle (degrees) | |||
| Nominal CS | 2.7 | 2.7 | 2.7 |
| Imaging Mode | BRIGHT FIELD | BRIGHT FIELD | BRIGHT FIELD |
| Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER | FEI TITAN KRIOS AUTOGRID HOLDER | FEI TITAN KRIOS AUTOGRID HOLDER |
| Nominal Magnification | 45000 | 45000 | 45000 |
| Calibrated Magnification | |||
| Source | FIELD EMISSION GUN | FIELD EMISSION GUN | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 | 200 | 200 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | Warp | |
| CTF CORRECTION | Warp | |
| MODEL FITTING | PHENIX | |
| INITIAL EULER ASSIGNMENT | cryoSPARC | |
| FINAL EULER ASSIGNMENT | cryoSPARC | |
| CLASSIFICATION | cryoSPARC | |
| RECONSTRUCTION | RELION | |
| MODEL REFINEMENT | PHENIX | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 7098916 | |||
