7K65

Hedgehog receptor Patched (PTCH1) in complex with conformation selective nanobody TI23


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.4885
f_angle_d0.6979
f_chiral_restr0.0417
f_plane_restr0.0039
f_bond_d0.0037
Sample
Complex between Hedgehog receptor PTCH1 and nanobody TI23
Sample Components
Hedgehog receptor Patched PTCH1
nanobody TI23
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles307652
Reported Resolution (Å)3.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (6MG8)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)85.6
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND4
MODEL FITTINGPHENIX
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTcryoSPARC2
FINAL EULER ASSIGNMENTcryoSPARC2
CLASSIFICATIONcryoSPARC2
RECONSTRUCTIONcisTEM1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION3621265Particles were picked first using a Gaussian blob as the template and then were re-picked using the 2D classes generated from the first round.