7RKY
Binding mode of US27-Gi-scFv16 in OCL-state
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 12.518 |
| f_angle_d | 0.799 |
| f_chiral_restr | 0.049 |
| f_plane_restr | 0.006 |
| f_bond_d | 0.004 |
| Sample |
|---|
| US27-Gi-scFv16 complex |
| Sample Components |
| Gi heterotrimer |
| scFv16 |
| US27 |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | LEICA EM GP |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | 3 s blotting before plunging |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 78170 |
| Reported Resolution (Å) | 3.8 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | The resolution estimate was inflated due to the better-defined G protein region compared to the receptor region. The receptor region was mostly based ... |
| Refinement Type | |
| Symmetry Type | POINT |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 (6k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 73 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | -800 |
| Maximum Defocus (nm) | -2000 |
| 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 | 57624 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| IMAGE ACQUISITION | SerialEM | |
| CTF CORRECTION | cryoSPARC | 3.1 |
| MODEL REFINEMENT | PHENIX | |
| FINAL EULER ASSIGNMENT | cryoSPARC | 3.1 |
| CLASSIFICATION | cryoSPARC | 3.1 |
| RECONSTRUCTION | cryoSPARC | 3.1 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | Final per-particle CTF values were determined by cryoSPARC Local CTF Refinement. | 12254340 | Including non-proteinous features. The actual number of intact complex particles was ~1,159,618. | |
