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Structure of human Sox11 transcription factor in complex with a nucleosome
Sample Components
Sox11 transcription factor, histones
DNA
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK IV
Cryogen Name
ETHANE
Sample Vitrification Details
The sample was applied onto glow-discharged Quantifoil holey carbon grids. The grids were blotted from both sides for 5-10 seconds at 16*C in a chambe ...
The sample was applied onto glow-discharged Quantifoil holey carbon grids. The grids were blotted from both sides for 5-10 seconds at 16*C in a chamber at 100% humidity and plunge-frozen into liquid ethane using a manual plunger.
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
202142
Reported Resolution (Å)
3.7
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type
POINT
Point Symmetry
C1
Map-Model Fitting and Refinement
Id
1 (6T79)
Refinement Space
REAL
Refinement Protocol
OTHER
Refinement Target
Overall B Value
100
Fitting Procedure
Details
Data Acquisition
Detector Type
GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)
1.125
Imaging Experiment
1
Date of Experiment
Temperature (Kelvin)
Microscope Model
FEI TITAN KRIOS
Minimum Defocus (nm)
1000
Maximum Defocus (nm)
3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
2.7
Imaging Mode
BRIGHT FIELD
Specimen Holder Model
FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
130000
Calibrated Magnification
Source
FIELD EMISSION GUN
Acceleration Voltage (kV)
300
Imaging Details
At least 50% of the data were collected at 25* stage tilt in order to partially compensate for preferred orientation of particles on the grid, and to improve angular distribution.