6V9Z
Cryo-EM structure of PCAT1 bound to its CtA peptide substrate
ELECTRON MICROSCOPY
| Sample |
|---|
| Ternary complex of a homodimeric PCAT1 ABC transporter with two copies of bound peptide substrate |
| 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 | 133698 |
| Reported Resolution (Å) | 3.35 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (4RY2) | ||||
| Refinement Space | RECIPROCAL | ||||
| Refinement Protocol | OTHER | ||||
| Refinement Target | |||||
| Overall B Value | 75 | ||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 1.33 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 700 |
| Maximum Defocus (nm) | 2200 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
| Nominal Magnification | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | RELION | 3.0 |
| IMAGE ACQUISITION | Leginon | |
| CTF CORRECTION | Gctf | 1.06 |
| MODEL FITTING | REFMAC | ccp4i version 7.0 |
| INITIAL EULER ASSIGNMENT | RELION | 3.0 |
| FINAL EULER ASSIGNMENT | cryoSPARC | 0.6.5 |
| CLASSIFICATION | RELION | 3.0 |
| RECONSTRUCTION | cryoSPARC | v.0.6.5 |
| MODEL REFINEMENT | Coot | 0.8.9.2 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING ONLY | 572800 | |||
