5VMS
CryoEM structure of Xenopus KCNQ1 channel
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 25.246 |
r_dihedral_angle_3_deg | 13.416 |
r_long_range_B_refined | 13.321 |
r_long_range_B_other | 13.321 |
r_dihedral_angle_4_deg | 11.264 |
r_scangle_other | 9.641 |
r_mcangle_it | 7.466 |
r_mcangle_other | 7.465 |
r_scbond_it | 5.414 |
r_scbond_other | 5.413 |
Sample |
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Complex of Xenopus KCNQ1 and CaM |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | 90-100% humidity |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 69415 |
Reported Resolution (Å) | 3.7 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | Entry was refined using space group P4 and cell parameters a=b=c=332.8 and alpha=beta=gamma=90. |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C4 |
Data Acquisition | |||||||||
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Detector Type | DIRECT ELECTRON DE-64 (8k x 8k) | ||||||||
Electron Dose (electrons/Å**2) | 1.78 |
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 |
RECONSTRUCTION | RELION | 1.3 |
RECONSTRUCTION | FREALIGN | 9.03 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION |