6V38
Cryo-EM structure of Ca2+-bound hsSlo1 channel
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 6V22 |
Sample |
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Ca2+-bound hsSlo1 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 4 seconds before plunging. |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 28073 |
Reported Resolution (Å) | 3.8 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C4 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (6V22) | 2 | |||
Refinement Space | REAL | REAL | |||
Refinement Protocol | RIGID BODY FIT | AB INITIO MODEL | |||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 89 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 800 |
Maximum Defocus (nm) | 2400 |
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 | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
IMAGE ACQUISITION | SerialEM | |
CTF CORRECTION | Gctf | 1.06 |
MODEL FITTING | UCSF Chimera | 1.13.1 |
MODEL FITTING | Coot | 0.8.9.2 |
INITIAL EULER ASSIGNMENT | cryoSPARC | 2.9.0 |
FINAL EULER ASSIGNMENT | FREALIGN | 9.11 |
CLASSIFICATION | RELION | 3.0.8 |
RECONSTRUCTION | FREALIGN | 9.11 |
MODEL REFINEMENT | PHENIX | 1.16 |
MODEL REFINEMENT | PHENIX | 1.16 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
NONE |