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Human CPC localisation module in complex with Xenopus H3.T3p-nucleosome
Sample Components
H3.T3p-nucleosome
Chromosome Passenger Complex localisation module
DNA
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK IV
Cryogen Name
ETHANE
Sample Vitrification Details
3 s blotting time, -10 force, no wait time.
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
119063
Reported Resolution (Å)
2.42
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Final reconstruction performed following particle polishing in Relion and subsequent re-import in CryoSPARC. The CPC distal region was then further lo ...
Final reconstruction performed following particle polishing in Relion and subsequent re-import in CryoSPARC. The CPC distal region was then further locally refined and sharpened using DeepEMhancer. The resolution value given for the raw final reconstruction before local refinement.
Refinement Type
Symmetry Type
POINT
Map-Model Fitting and Refinement
Id
1 (3AFA, 6YIH)
Refinement Space
REAL
Refinement Protocol
FLEXIBLE FIT
Refinement Target
Cross-correlation coefficient
Overall B Value
59.74
Fitting Procedure
Details
Data Acquisition
Detector Type
GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)
43.86
Imaging Experiment
1
Date of Experiment
Temperature (Kelvin)
Microscope Model
FEI TITAN KRIOS
Minimum Defocus (nm)
1000
Maximum Defocus (nm)
2300
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
58009
Calibrated Magnification
Source
FIELD EMISSION GUN
Acceleration Voltage (kV)
300
Imaging Details
EM Software
Task
Software Package
Version
PARTICLE SELECTION
cryoSPARC
4.4.0
CTF CORRECTION
cryoSPARC
4.4.0
MODEL FITTING
UCSF Chimera
1.14
MODEL FITTING
Coot
0.9.8.1
MODEL REFINEMENT
PHENIX
1.20.1
CLASSIFICATION
cryoSPARC
4.4.0
RECONSTRUCTION
cryoSPARC
4.4.0
RECONSTRUCTION
RELION
4.0
Image Processing
CTF Correction Type
CTF Correction Details
Number of Particles Selected
Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION
CTF amplitude correction first performed following movie motion correction, and CTF parameters were later refined during the refinement of the final reconstruction
3099937
Blob-based picking, using 110 A expected particle diameter.