7LYB

Cryo-EM structure of the human nucleosome core particle in complex with BRCA1-BARD1-UbcH5c


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1JM7 
experimental modelPDB 5EGG 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d30.055
f_angle_d0.745
f_chiral_restr0.043
f_bond_d0.006
f_plane_restr0.005
Sample
Human nucleosome core particle in complex with BRCA1-BARD1-UbcH5c
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles74575
Reported Resolution (Å)3.28
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (1JM7, 5EGG)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)1
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 CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification22500
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0
PARTICLE SELECTIONcryoSPARC2.14
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONcryoSPARC2.14
MODEL FITTINGPHENIX1.18.2-3874
MODEL REFINEMENTPHENIX1.18.2-3874
INITIAL EULER ASSIGNMENTcryoSPARC2.14
FINAL EULER ASSIGNMENTcryoSPARC2.14
CLASSIFICATIONcryoSPARC2.14
RECONSTRUCTIONcryoSPARC2.14
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION6380972