Cryo-EM structure of the human GABAA receptor alpha1 subunit in complex with the assembly factor NACHO/TMEM35A
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 8.5679 |
| f_angle_d | 0.4261 |
| f_chiral_restr | 0.0384 |
| f_plane_restr | 0.0031 |
| f_bond_d | 0.0026 |
| Sample |
|---|
| Complex of Gamma-aminobutyric acid receptor subunit alpha-1 with assembly factor NACHO/TMEM35A |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | LEICA EM GP |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 304241 |
| Reported Resolution (Å) | 3.6 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C2 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | |||||
| Refinement Protocol | AB INITIO MODEL | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 (6k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 45 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | TFS KRIOS |
| Minimum Defocus (nm) | 1000 |
| Maximum Defocus (nm) | 2600 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.7 |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | 81000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | Warp | 1.07 |
| IMAGE ACQUISITION | EPU | |
| CTF CORRECTION | CTFFIND | 4.1.1354 |
| MODEL FITTING | Coot | 0.9.8.5 |
| INITIAL EULER ASSIGNMENT | cryoSPARC | 3.3.2 |
| FINAL EULER ASSIGNMENT | cryoSPARC | 3.3.2 |
| CLASSIFICATION | cryoSPARC | 3.3.2 |
| RECONSTRUCTION | cryoSPARC | 3.3.2 |
| MODEL REFINEMENT | PHENIX | dev-5430-0000 |
| MODEL REFINEMENT | PHENIX | 1.19.2 |
| MODEL REFINEMENT | REFMAC | 5.8.0258 |
| MODEL REFINEMENT | Servalcat | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 10530693 | |||
