6UVS
Human Connexin-26 (Low pH open conformation)
ELECTRON MICROSCOPY
Sample |
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Connexin-26 Gap Junction Channel |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | After application of sample to the C-flat holey carbon grid, sample was blotted with Whatman no. 1 filter paper for ~4s, blot force of 3, and 100 % hu ... |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 25236 |
Reported Resolution (Å) | 4.2 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | D6 |
Map-Model Fitting and Refinement | |||||
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Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | Model-map cross correlation | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | Initial local fitting was done using UCSF Chimera. Multiple rounds of automated (Phenix) and manual (Coot) model building were performed. The model wa ... |
Data Acquisition | |||||||||
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Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 45 |
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 | 2.7 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 130000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
IMAGE ACQUISITION | EPU | |
CTF CORRECTION | CTFFIND | 4 |
CTF CORRECTION | RELION | |
MODEL FITTING | UCSF Chimera | |
MODEL REFINEMENT | PHENIX | |
MODEL REFINEMENT | Coot | |
INITIAL EULER ASSIGNMENT | RELION | |
FINAL EULER ASSIGNMENT | RELION | |
RECONSTRUCTION | RELION |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 49952 |