Cryo-electron microscopy structure of the hexagonal pre-attachment T4 baseplate-tail tube complex
ELECTRON MICROSCOPY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3H2T | |
| experimental model | PDB | 1N7Z | |
| experimental model | PDB | 1S2E | |
| experimental model | PDB | 2FKK | |
| experimental model | PDB | 1EL6 | |
| experimental model | PDB | 1H6W | |
| experimental model | PDB | 1OCY | |
| experimental model | PDB | 4HRZ | |
| experimental model | PDB | 1K28 | |
| experimental model | PDB | 4KU0 | |
| Sample |
|---|
| Hexagonal pre-attachment T4 baseplate-tail tube complex |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Applied 3.5 ul of sample and blotting 3 seconds before plunging |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 37913 |
| Reported Resolution (Å) | 4.11 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C6 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (3H2T, 1N7Z, 1S2E, 2FKK, 1EL6, 1H6W, 1OCY, 4HRZ, 1K28, 4KU0) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | AB INITIO MODEL | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 60 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 500 |
| Maximum Defocus (nm) | 4000 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.7 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
| Nominal Magnification | 105000 |
| Calibrated Magnification | 37700 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | EMAN | 2 |
| CTF CORRECTION | CTFFIND | 4 |
| CTF CORRECTION | RELION | 1.4 |
| MODEL FITTING | Coot | 0.8.2 |
| INITIAL EULER ASSIGNMENT | RELION | 1.4 |
| FINAL EULER ASSIGNMENT | RELION | 1.4 |
| RECONSTRUCTION | RELION | 1.4 |
| MODEL REFINEMENT | PHENIX | 1.10.1-2155 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 47516 | |||
