7UTD
The 2.19-angstrom CryoEM structure of the [NiFe]-hydrogenase Huc from Mycobacterium smegmatis - Complex minus stalk
ELECTRON MICROSCOPY
| Sample |
|---|
| Complex of the type 2 [NiFe]-hydrogenase Huc from Mycobacterium smegmatis |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK III |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 139367 |
| Reported Resolution (Å) | 2.19 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C4 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | BACKBONE TRACE | ||||
| Refinement Target | Correlation coefficient | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 (6k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 66 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 500 |
| Maximum Defocus (nm) | 1500 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.7 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| CTF CORRECTION | CTFFIND | 4.1 |
| MODEL FITTING | Coot | 0.92 |
| MODEL FITTING | UCSF ChimeraX | 1.3 |
| INITIAL EULER ASSIGNMENT | cryoSPARC | 3.3.1 |
| FINAL EULER ASSIGNMENT | cryoSPARC | 3.3.1 |
| CLASSIFICATION | cryoSPARC | 3.3.1 |
| RECONSTRUCTION | cryoSPARC | 3.3.1 |
| MODEL REFINEMENT | PHENIX | 1.9.2 |
| MODEL REFINEMENT | Coot | 0.92 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 825900 | |||
