6S6Z
Structure of beta-Galactosidase from Thermotoga maritima
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 29.485 |
| r_dihedral_angle_4_deg | 15.949 |
| r_dihedral_angle_3_deg | 13.07 |
| r_long_range_B_refined | 11.651 |
| r_long_range_B_other | 11.651 |
| r_scangle_other | 9.053 |
| r_dihedral_angle_1_deg | 6.716 |
| r_scbond_it | 5.541 |
| r_scbond_other | 5.541 |
| r_mcangle_it | 5.45 |
| Sample |
|---|
| Map of beta-Galactosidase from Thermotoga maritima |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK II |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 154632 |
| Reported Resolution (Å) | 2 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | Standard CTF correction inside RELION's reconstruction |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | D4 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | RECIPROCAL | ||||
| Refinement Protocol | OTHER | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | FEI FALCON III (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 35 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 1000 |
| Maximum Defocus (nm) | 2000 |
| 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 | 120000 |
| Calibrated Magnification | 20895 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | RELION | 3.0 |
| IMAGE ACQUISITION | EPU | |
| CTF CORRECTION | Gctf | 1.06 |
| MODEL FITTING | MOLREP | |
| INITIAL EULER ASSIGNMENT | RELION | 3.0 |
| FINAL EULER ASSIGNMENT | RELION | 3.0 |
| CLASSIFICATION | RELION | 3.0 |
| RECONSTRUCTION | RELION | 3.0 |
| MODEL REFINEMENT | Coot | 0.9-pre |
| MODEL REFINEMENT | REFMAC | 5.5.0026 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | Standard CTF correction inside RELION's reconstruction | 229079 | ||
