8C5I
Cyanide dihydratase from Bacillus pumilus C1 variant - Q86R,H305K,H308K,H323K
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 5.12 |
| f_angle_d | 0.498 |
| f_chiral_restr | 0.042 |
| f_plane_restr | 0.004 |
| f_bond_d | 0.003 |
| Sample |
|---|
| Active helical nitrilase homo-oligomer of cyanide dihydratase from Bacillus pumilus C1 variant (Q86R/H305K/H308K/H323K) |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | FILAMENT |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | A 2.5 microlitre sample was applied onto a glow-discharged grid, blotted and plunged without incubation. |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | HELICAL |
| Number of Particles | 103000 |
| Reported Resolution (Å) | 3.15 |
| Resolution Method | FSC 0.5 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | HELICAL |
| Axial Symmetry | C2 |
| Axial Rise | 16.7 |
| Angular Rotation | -77 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | AB INITIO MODEL | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 54 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 600 |
| Maximum Defocus (nm) | 3000 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
| Nominal Magnification | 130000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| CTF CORRECTION | RELION | 2.1 |
| MODEL FITTING | UCSF Chimera | 1.15 |
| RECONSTRUCTION | RELION | 2.1 |
| MODEL REFINEMENT | PHENIX | 1.20.1-4487 |
| MODEL REFINEMENT | ISOLDE | 1.1 |
| MODEL REFINEMENT | Coot | 0.9.8.1 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING ONLY | ||||
