7KBF

H1.8 bound nucleosome isolated from metaphase chromosome in Xenopus egg extract (oligo fraction)


ELECTRON MICROSCOPY
Sample
H1.8 bound nucleosome isolated from metaphase chromosome in Xenopus egg extract (oligo fraction)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles27383
Reported Resolution (Å)4.42
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (6DZT, 5NL0)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)38.3435.27
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
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)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGPHENIX
MODEL REFINEMENTPHENIX
FINAL EULER ASSIGNMENTcryoSPARC2.14
CLASSIFICATIONcryoSPARC2.14
RECONSTRUCTIONcryoSPARC2.14
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION