6MEM
A unique supramolecular organization of photosystem I in the moss Physcomitrella patens
ELECTRON MICROSCOPY
| Sample |
|---|
| Large PSI-LHCI supercomplex |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Lights off, blot 4.5 seconds before plunging. |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 14412 |
| Reported Resolution (Å) | 11.6 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | |||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN ULTRASCAN 4000 (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 25 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TECNAI F20 |
| Minimum Defocus (nm) | -2500 |
| Maximum Defocus (nm) | -1800 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.2 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | GATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER |
| Nominal Magnification | 80000 |
| Calibrated Magnification | 107140 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 120 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | Gautomatch | |
| IMAGE ACQUISITION | Leginon | |
| IMAGE ACQUISITION | Gautomatch | |
| CTF CORRECTION | CTFFIND | 3 |
| MODEL FITTING | UCSF Chimera | |
| INITIAL EULER ASSIGNMENT | RELION | 1.4 |
| FINAL EULER ASSIGNMENT | RELION | 1.4 |
| CLASSIFICATION | RELION | 1.4 |
| RECONSTRUCTION | RELION | 1.4 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 55780 | |||
