7OFQ
The archaellum of Methanocaldococcus villosus
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.957 |
| r_dihedral_angle_4_deg | 17.36 |
| r_dihedral_angle_3_deg | 13.075 |
| r_dihedral_angle_1_deg | 7.785 |
| r_angle_refined_deg | 2.326 |
| r_chiral_restr | 0.136 |
| r_bond_refined_d | 0.01 |
| r_gen_planes_refined | 0.009 |
| Sample |
|---|
| Archaellum |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | HELICAL ARRAY |
| Vitrification Instrument | FEI VITROBOT MARK III |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | blotting time of 4 sec, -1 blot force |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | HELICAL |
| Number of Particles | 399178 |
| Reported Resolution (Å) | 3.08 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | HELICAL |
| Axial Symmetry | C1 |
| Axial Rise | 33.4 |
| Angular Rotation | -71.8 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (5O4U) | ||||
| Refinement Space | RECIPROCAL | ||||
| Refinement Protocol | AB INITIO MODEL | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | FEI FALCON III (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 37 | ||||||||
| 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 | 2.7 |
| Imaging Mode | OTHER |
| Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
| Nominal Magnification | 59000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | EMAN2 | |
| CTF CORRECTION | CTFFIND | |
| MODEL FITTING | Coot | |
| CLASSIFICATION | RELION | 3.1 |
| RECONSTRUCTION | cryoSPARC | 3.1.0 |
| MODEL REFINEMENT | REFMAC | 5 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 929165 | |||
