Cryo-EM structure of the large serine recombinase Bxb1 in complex with attP and attB (GT/TT CDN) in the pre-strand exchange state
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| s_dihedral_angle_3_deg | 13.4034173 |
| s_dihedral_angle_6_deg | 13.3181408 |
| s_dihedral_angle_1_deg | 6.47835926 |
| s_dihedral_angle_2_deg | 3.20579721 |
| s_angle_nonh_deg | 1.82605928 |
| s_nbtor | 0.198100526 |
| s_nbd | 0.168129186 |
| s_chiral_restr | 0.149629243 |
| s_hbond_nbd | 0.139181547 |
| s_bond_nonh_d | 0.00911188253 |
| Sample |
|---|
| The large serine recombinase Bxb1 in complex with attP and attB (GT/TT CDN) in the pre-strand exchange state |
| Sample Components |
| attB |
| large serine recombinase |
| attP |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 266035 |
| Reported Resolution (Å) | 3.22 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | |||||
| Refinement Protocol | |||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 BIOQUANTUM (6k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 51 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | TFS KRIOS |
| Minimum Defocus (nm) | 800 |
| Maximum Defocus (nm) | 2000 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| 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 | |
| CTF CORRECTION | cryoSPARC | |
| MODEL FITTING | Coot | |
| INITIAL EULER ASSIGNMENT | cryoSPARC | |
| FINAL EULER ASSIGNMENT | cryoSPARC | |
| CLASSIFICATION | cryoSPARC | |
| RECONSTRUCTION | cryoSPARC | |
| MODEL REFINEMENT | Servalcat | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
