7OPC

Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 4)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.707
f_angle_d1.032
f_chiral_restr0.077
f_bond_d0.017
f_plane_restr0.007
Sample
Transcribing Pol II bound to CSB, CRL4CSA, UVSSA, PAF and SPT6.
Sample Components
DNA-directed RNA polymerase with RNA_pol_L_2 and RNA polymerase
Supplementary proteins
NTS, RNA, TS
E3 ubiquitin-protein ligase RBX1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles100000
Reported Resolution (Å)3
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsDifferent number of particles was used for different focused refined maps.
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)40.4
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 Model
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONWarp
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION