28JS | pdb_000028js

Cryo-EM structure of the human holo-TFIIH-XPC complex bound to bulky lesion-mimic DNA (composite map)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.246
f_angle_d0.581
f_chiral_restr0.041
f_plane_restr0.004
f_bond_d0.002
Sample
Human holo-TFIIH, XPC complex, and XPA with biotinylated DNA.
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification DetailsLeica EM GP2
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles166008
Reported Resolution (Å)3.32
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification165000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.6.2
PARTICLE SELECTIONTopaz
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC4.6.2
INITIAL EULER ASSIGNMENTcryoSPARC4.6.2
FINAL EULER ASSIGNMENTRELION5.0.0
CLASSIFICATIONRELION5.0.0
RECONSTRUCTIONRELION5.0.0
MODEL REFINEMENTPHENIX1.21.1_5419
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION