7WSV
Cryo-EM structure of the N-terminal deletion mutant of human pannexin-1 in a nanodisc
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 3.8323 |
| f_angle_d | 0.7172 |
| f_chiral_restr | 0.0421 |
| f_plane_restr | 0.0038 |
| f_bond_d | 0.003 |
| Sample |
|---|
| Heptamar of N-terminal deleted human pannexin-1 in a nanodisc |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | LEICA KF80 |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Blot for 10 seconds at room temperature followed by plunge freezing. Humidity and temperature are not controlled. |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 98796 |
| Reported Resolution (Å) | 4.5 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | |||||
| Overall B Value | 344.6 | ||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 56 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | JEOL 3000SFF |
| Minimum Defocus (nm) | 1400 |
| Maximum Defocus (nm) | 3500 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 1.6 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | JEOL |
| Nominal Magnification | 30000 |
| Calibrated Magnification | 40600 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| CTF CORRECTION | CTFFIND | 4 |
| INITIAL EULER ASSIGNMENT | RELION | 3.0 |
| RECONSTRUCTION | RELION | 3.0 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING ONLY | 3005895 | |||
