ELECTRON MICROSCOPY
| Sample |
|---|
| Computationally Designed Bifaceted Protein Nanomaterial pD5-14 |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 209004 |
| Reported Resolution (Å) | 4.3 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C5 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | OTHER | ||||
| Refinement Target | Cross-correlation coefficient | ||||
| Overall B Value | 239.9 | ||||
| Fitting Procedure | |||||
| Details | Initial fitting was performed in ChimeraX. Phenix, Namdinator, ISOLDE, and Coot were used for relaxation of the model to better fit the density. | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 BIOQUANTUM (6k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 45.21 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | TFS KRIOS |
| Minimum Defocus (nm) | 800 |
| Maximum Defocus (nm) | 1800 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.7 |
| 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 | cryoSPARC | 4.4.0 |
| CTF CORRECTION | cryoSPARC | 4.4.0 |
| MODEL FITTING | UCSF ChimeraX | |
| MODEL REFINEMENT | PHENIX | |
| MODEL REFINEMENT | ISOLDE | |
| MODEL REFINEMENT | Coot | |
| INITIAL EULER ASSIGNMENT | cryoSPARC | 4.4.0 |
| FINAL EULER ASSIGNMENT | cryoSPARC | 4.4.0 |
| CLASSIFICATION | cryoSPARC | 4.4.0 |
| RECONSTRUCTION | cryoSPARC | 4.4.0 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 640897 | |||
