6P3E
Mobile loops and electrostatic interactions maintain the flexible lambda tail tube
ELECTRON MICROSCOPY
| Sample |
|---|
| tail tube of the lambda phage |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK II |
| Cryogen Name | ETHANE-PROPANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | HELICAL |
| Number of Particles | 5543 |
| Reported Resolution (Å) | 5.4 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | HELICAL |
| Axial Symmetry | C6 |
| Axial Rise | 42.8 |
| Angular Rotation | 17.5 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (2K4Q, 2L04) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | |||||
| Overall B Value | 200 | ||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | FEI FALCON II (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 20 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI POLARA 300 |
| Minimum Defocus (nm) | |
| Maximum Defocus (nm) | |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| 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 |
| PARTICLE SELECTION | EMAN2 | |
| IMAGE ACQUISITION | EPU | |
| CTF CORRECTION | CTFFIND | |
| MODEL FITTING | UCSF Chimera | |
| MODEL REFINEMENT | PHENIX | |
| MODEL REFINEMENT | MDFF | |
| INITIAL EULER ASSIGNMENT | RELION | 2 |
| FINAL EULER ASSIGNMENT | RELION | 2 |
| RECONSTRUCTION | RELION | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 7934 | |||
