ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 11.344 |
f_angle_d | 0.644 |
f_chiral_restr | 0.042 |
f_bond_d | 0.005 |
f_plane_restr | 0.004 |
Sample |
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Microtubule-bound complex of Kif7 and Gli2 zinc finger domain |
Sample Components |
Kinesin Kif7 |
Zinc-finger protein Gli2 |
Microtubules |
Specimen Preparation | |
---|---|
Sample Aggregation State | HELICAL ARRAY |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details | Blotted from behind the grid for 2 seconds |
3D Reconstruction | |
---|---|
Reconstruction Method | HELICAL |
Number of Particles | 25730 |
Reported Resolution (Å) | 3.89 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | HELICAL |
Axial Symmetry | C1 |
Axial Rise | 8.956 |
Angular Rotation | -25.747 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (3J6E, 3J6E, 6MLR, 2GLI) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | Correlation coefficient | ||||
Overall B Value | 150 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 36 |
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 | 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 |
CTF CORRECTION | CTFFIND | 4 |
MODEL FITTING | UCSF Chimera | 1.14 |
RECONSTRUCTION | FREALIX | |
MODEL REFINEMENT | PHENIX | 1.17.1-3660 |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING ONLY | CTF correction using CTFFIND4 | 50639 | Segments were picked along helical segments manually using Appion |