8RUQ | pdb_00008ruq

Borealin N-terminus in complex with H3.T3p-nucleosome


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3AFA 
experimental modelPDB 6YIH 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d31.092
f_angle_d0.57
f_chiral_restr0.039
f_bond_d0.004
f_plane_restr0.004
Sample
Human CPC localisation module in complex with Xenopus H3.T3p-nucleosome
Sample Components
H3.T3p-nucleosome
Chromosome Passenger Complex localisation module (Borealin N-terminus only)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details3 s blotting time, -10 force, no wait time.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles1180547
Reported Resolution (Å)2.29
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (3AFA, 6YIH)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetCross-correlation coefficient
Overall B Value66.48
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)43.86
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2300
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification58009
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.4.0
CTF CORRECTIONcryoSPARC4.4.0
MODEL FITTINGUCSF Chimera1.14
MODEL FITTINGCoot0.9.8.1
CLASSIFICATIONcryoSPARC4.4.0
RECONSTRUCTIONcryoSPARC4.4.0
MODEL REFINEMENTPHENIX1.20.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONCTF amplitude correction first performed following movie motion correction, and CTF parameters were later refined during the refinement of the final reconstruction3099937Blob-based picking, using 110 A expected particle diameter.