2XQL

Fitting of the H2A-H2B histones in the electron microscopy map of the complex Nucleoplasmin:H2A-H2B histones (1:5).


ELECTRON MICROSCOPY
Sample
NUCLEOPLASMIN H2A-H2B HISTONES COMPLEX.
Specimen Preparation
Sample Aggregation StatePARTICLE
Staining TypeNEGATIVE
Staining MaterialUranyl Acetate
Staining Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles5557
Reported Resolution (Å)19.5
Resolution Method
Other DetailsDOCKING OF FIVE DIMERS OF H2A-H2B HISTONES IN THE NUCLEOPLASMIN H2A-H2B COMPLEX (1 5-5). THE EXTENDED REGION OF THE H2A HISTONE WAS REMOVED. THE FINAL ...DOCKING OF FIVE DIMERS OF H2A-H2B HISTONES IN THE NUCLEOPLASMIN H2A-H2B COMPLEX (1 5-5). THE EXTENDED REGION OF THE H2A HISTONE WAS REMOVED. THE FINAL DOCKING INCLUDES THE FRAGMENTS FROM AMINOACID 15 TO 105 OF H2A HISTONE AND 36 TO 125 OF H2B HISTONE. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-1777. (DEPOSITION ID: 7474).
Refinement Type
Symmetry TypePOINT
Point SymmetryC5
Map-Model Fitting and Refinement
Id1 (1AOI)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
DetailsMETHOD--VOLUMETRIC CORRELATION REFINEMENT PROTOCOL--PROJECTION MATCHING
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)293
Microscope ModelJEOL 1200EXII
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS5.6
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification60000
Calibrated Magnification
SourceTUNGSTEN HAIRPIN
Acceleration Voltage (kV)100
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGSitus
RECONSTRUCTIONEMAN
RECONSTRUCTIONSPIDER
RECONSTRUCTIONXmipp
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
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