7Q4P
U2 snRNP after ATP-dependent remodelling
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.935 |
| r_dihedral_angle_3_deg | 15.484 |
| r_dihedral_angle_4_deg | 15.182 |
| r_long_range_B_refined | 7.247 |
| r_dihedral_angle_1_deg | 6.504 |
| r_angle_refined_deg | 1.774 |
| r_mcangle_it | 1.619 |
| r_mcbond_it | 0.858 |
| r_scbond_it | 0.575 |
| r_chiral_restr | 0.122 |
| Sample |
|---|
| Remodelled U2 snRNP |
| 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 | 158286 |
| Reported Resolution (Å) | 2.15 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (7Q3L, 7Q3L, 7Q3L, 7Q3L, 7Q3L, 7Q3L, 7ABH, 7Q3L) | ||||
| Refinement Space | RECIPROCAL | ||||
| 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) | 53.45 | ||||||||
| 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 | FEI TITAN KRIOS AUTOGRID HOLDER |
| Nominal Magnification | 130000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | Warp | 0.9 |
| IMAGE ACQUISITION | SerialEM | |
| CTF CORRECTION | CTFFIND | 4.1.14 |
| MODEL FITTING | Coot | 0.9.4.1 |
| MODEL FITTING | UCSF ChimeraX | 1.1 |
| MODEL FITTING | ISOLDE | 1.1 |
| INITIAL EULER ASSIGNMENT | cryoSPARC | 2.15 |
| FINAL EULER ASSIGNMENT | RELION | 3.1 |
| CLASSIFICATION | RELION | 3.1 |
| RECONSTRUCTION | RELION | 3.1 |
| MODEL REFINEMENT | REFMAC | 5 |
| MODEL REFINEMENT | LIBG | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 1500165 | |||
