Real space refined coordinates of the 30S and 50S subunits fitted into the low resolution cryo-EM map of the initiation-like state of E. coli 70S ribosome
ELECTRON MICROSCOPY
| Sample |
|---|
| E. coli 70S ribosome bound with formyl-methionyl initiator tRNA |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | |
| Cryogen Name | |
| Sample Vitrification Details | Rapid-freezing in liquid ethane |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | |
| Reported Resolution (Å) | 11.5 |
| Resolution Method | |
| Other Details | SPIDER package |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (1IBL, 1FJG, 1FFK, 1JJ2, 1LNR, 1GIY) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | cross-correlation coefficient, real space R factor | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | METHOD--auto REFINEMENT PROTOCOL--Multi-rigid body, real-space refinement | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | KODAK SO-163 FILM | ||||||||
| Electron Dose (electrons/Å**2) | 10 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | 1997-07-01 |
| Temperature (Kelvin) | 93 |
| Microscope Model | FEI TECNAI F20 |
| Minimum Defocus (nm) | 730 |
| Maximum Defocus (nm) | 4340 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | 51200 |
| Calibrated Magnification | 51200 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| MODEL FITTING | RSRef | |
| MODEL FITTING | RSRef | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| CTF correction of 3D-maps | ||||
