Structure of the archaellum of Sulfolobus acidocaldarius strain MW039 (delta agl3 mutant).
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.168 |
| r_dihedral_angle_3_deg | 12.187 |
| r_long_range_B_refined | 11.987 |
| r_dihedral_angle_4_deg | 10.757 |
| r_dihedral_angle_1_deg | 7.349 |
| r_mcangle_it | 4.624 |
| r_scbond_it | 3.28 |
| r_mcbond_it | 2.728 |
| r_angle_refined_deg | 1.608 |
| r_chiral_restr | 0.094 |
| Sample |
|---|
| Archaellum of the S. acidocaldarius species deficient in sulfoquinovose transferase enzyme |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | FILAMENT |
| Vitrification Instrument | |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | HELICAL |
| Number of Particles | 256869 |
| Reported Resolution (Å) | 2.37 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | HELICAL |
| Axial Symmetry | C1 |
| Axial Rise | 5.4 |
| Angular Rotation | 107.9 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | 2 | |||
| Refinement Space | RECIPROCAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | TFS FALCON 4i (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 40 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 800 |
| Maximum Defocus (nm) | 2200 |
| 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 | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| IMAGE ACQUISITION | EPU | 3.5 |
| MODEL REFINEMENT | REFMAC | 5.8.0267 |
| MODEL FITTING | UCSF ChimeraX | 1.5 |
| MODEL REFINEMENT | ISOLDE | |
| RECONSTRUCTION | cryoSPARC | 4.4.1 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
