3ZN8
Structural Basis of Signal Sequence Surveillance and Selection by the SRP-SR Complex
ELECTRON MICROSCOPY
| Sample |
|---|
| RNCESPP-SRP-FTSY |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | NITROGEN |
| Sample Vitrification Details | THE GRIDS WERE PLUNGE FROZEN IN LIQUID ETHANE USING A FEI MARK IV VITRIFICATION ROBOT AFTER BLOTTING FOR 1 S AT RT AND 100 PER CENT RELATIVE HUMIDITY |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 46945 |
| Reported Resolution (Å) | 12 |
| Resolution Method | |
| Other Details | BP RP SUBPROGRAM IN SPIDER |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (1FFH, 1FTS, 3KL4, 2XXA) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | FSC | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | METHOD--RIGID BODY REFINEMENT PROTOCOL--X-RAY | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN ULTRASCAN 4000 (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 15 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | 2011-01-11 |
| Temperature (Kelvin) | 77 |
| Microscope Model | FEI POLARA 300 |
| Minimum Defocus (nm) | 700 |
| Maximum Defocus (nm) | 5700 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.3 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | 59000 |
| Calibrated Magnification | 76000 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| RECONSTRUCTION | SPIDER | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| MICROGRAPH | ||||
