6BCL
cryo-EM structure of TRPM4 in apo state with long coiled coil at 3.5 angstrom resolution
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 13.678 |
f_angle_d | 0.916 |
f_chiral_restr | 0.051 |
f_bond_d | 0.007 |
f_plane_restr | 0.006 |
Sample |
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homotetramer of mouse TRPM4 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 11545 |
Reported Resolution (Å) | 3.54 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C4 |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 50 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 1200 |
Maximum Defocus (nm) | 3000 |
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 | 46730 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
IMAGE ACQUISITION | EPU | |
CTF CORRECTION | Gctf | |
INITIAL EULER ASSIGNMENT | RELION | 2 |
FINAL EULER ASSIGNMENT | RELION | 2 |
CLASSIFICATION | RELION | 2 |
RECONSTRUCTION | RELION | 2 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | The CTF correction was performed during the map refinement in Relion. | 743735 |