6O9M

Structure of the human apo TFIIH


ELECTRON MICROSCOPY
Sample
apo TFIIH
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles122900
Reported Resolution (Å)4.4
Resolution Method
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
DetailsInitial model assembled from high-resolution structures and homology models, subsequently rebuilt in COOT, refined into the Cryo-EM map using Phenix a ...Initial model assembled from high-resolution structures and homology models, subsequently rebuilt in COOT, refined into the Cryo-EM map using Phenix and fully validated.
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGNAMD2.12
MODEL FITTINGUCSF Chimera1.12
MODEL REFINEMENTCoot0.8.9.1
MODEL REFINEMENTPHENIX1.14
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE