6B3R
Structure of the mechanosensitive channel Piezo1
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 7.929 |
f_angle_d | 1.032 |
f_chiral_restr | 0.057 |
f_plane_restr | 0.007 |
f_bond_d | 0.006 |
Sample |
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mouse Piezo1 channel |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | blot for 1 second with -1 force before plunging |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 277548 |
Reported Resolution (Å) | 3.8 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (4RAX) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | AB INITIO MODEL | ||||
Refinement Target | correlation coefficient | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 47 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | |
Maximum Defocus (nm) | |
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 | RELION | 1.4 |
IMAGE ACQUISITION | SerialEM | |
CTF CORRECTION | RELION | 2 |
MODEL FITTING | Coot | 0.8.7 |
INITIAL EULER ASSIGNMENT | cryoSPARC | |
FINAL EULER ASSIGNMENT | RELION | 2 |
CLASSIFICATION | RELION | 2 |
RECONSTRUCTION | RELION | 2 |
MODEL REFINEMENT | PHENIX | 1.12-2829 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 576191 |