6RVD
Revised cryo-EM structure of the human 2:1 Ptch1-Shh complex
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 11.47 |
f_angle_d | 1.166 |
f_chiral_restr | 0.064 |
f_bond_d | 0.009 |
f_plane_restr | 0.007 |
Sample |
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2:1 PTCH1:SHH complex |
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 | 77712 |
Reported Resolution (Å) | 3.5 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Map-Model Fitting and Refinement | |||||
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Id | 1 (6E1H, 6RTW, 6RVC) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | AB INITIO MODEL | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | This is a re-refinement of pdb entry 6E1H, also using the high-resolution crystal structures of the isolated PTCH1-ECD1 (pdb 6RTW) and PTCH1-ECD2 (pdb ... |
Data Acquisition | |||||||||
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Detector Type | GATAN K2 BASE (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 1.6 |
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 | DARK FIELD |
Specimen Holder Model | |
Nominal Magnification | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
PARTICLE SELECTION | RELION | |
CTF CORRECTION | CTFFIND | |
MODEL FITTING | Coot | 0.9.9.1 |
MODEL REFINEMENT | PHENIX | 1.14 |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
NONE |