7MN8
Structure of the HER2/HER3/NRG1b Heterodimer Extracellular Domain bound to Trastuzumab Fab
ELECTRON MICROSCOPY
| Sample |
|---|
| NRG1b-bound HER2/HER3 Heterodimer bound to the Trastuzumab Fab in the context of near full-length receptors |
| Sample Components |
| Trastuzumab (Herceptin) Fab |
| Neuregulin-1b isoform 6 |
| HER3 |
| HER2-S310F-MBP Fusion |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 243376 |
| Reported Resolution (Å) | 3.45 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (3U7U, 1M6B, 1N8Z) | ||||
| Refinement Space | |||||
| Refinement Protocol | |||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 (6k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 66 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | |
| Maximum Defocus (nm) | |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
| Nominal Magnification | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | cryoSPARC | 2.15.0 |
| IMAGE ACQUISITION | SerialEM | 3.8.6 |
| IMAGE ACQUISITION | DigitalMicrograph | 3.31.2359.0 |
| CTF CORRECTION | cryoSPARC | 2.15.0 |
| MODEL FITTING | UCSF ChimeraX | 1.0 |
| INITIAL EULER ASSIGNMENT | cryoSPARC | 2.15.0 |
| FINAL EULER ASSIGNMENT | cryoSPARC | 2.15.0 |
| CLASSIFICATION | RELION | 3.0 |
| RECONSTRUCTION | cryoSPARC | 2.15.0 |
| MODEL REFINEMENT | Rosetta | 3.12 |
| MODEL REFINEMENT | ISOLDE | 1.0.1 |
| MODEL REFINEMENT | PHENIX | 1.18.2 |
| MODEL REFINEMENT | Coot | 0.9.1 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
