6ORQ
Modified BG505 SOSIP-based immunogen RC1 in complex with the elicited V3-glycan patch antibody Ab275MUR
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 10.3799 |
| f_angle_d | 1.1364 |
| f_chiral_restr | 0.0627 |
| f_plane_restr | 0.0081 |
| f_bond_d | 0.0069 |
| Sample |
|---|
| Complex of RC1 variant of BG505 SOSIP.664 trimer with three Ab275MUR Fabs and three 8ANC195 Fabs |
| Sample Components |
| RC1 variant of BG505 SOSIP.664 trimer |
| Ab275MUR Fab |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | 0 blot force, 3 second blot time, 3 uL sample added to freshly glow-discharged grids |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 49308 |
| Reported Resolution (Å) | 4.4 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C3 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (5T3Z, 5T3Z, 4FQQ, 4FQQ) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | Correlation coefficient | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | FEI FALCON III (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 40 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TALOS ARCTICA |
| Minimum Defocus (nm) | 800 |
| Maximum Defocus (nm) | 2500 |
| 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 | 73000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| IMAGE ACQUISITION | EPU | |
| CTF CORRECTION | Gctf | 1.06 |
| MODEL FITTING | UCSF Chimera | |
| INITIAL EULER ASSIGNMENT | cryoSPARC | 2.1 |
| FINAL EULER ASSIGNMENT | cryoSPARC | 2.1 |
| CLASSIFICATION | cryoSPARC | 2.1 |
| RECONSTRUCTION | cryoSPARC | 2.1 |
| MODEL REFINEMENT | PHENIX | 1.14 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
