6V9I

cryo-EM structure of Cullin5 bound to RING-box protein 2 (Cul5-Rbx2)

ELECTRON MICROSCOPY

Sample
cryo-EM structure of Cullin5 bound to RING-box protein 2 (Cul5-Rbx2)

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details	4 second blot time, blot force 20

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	46877
Reported Resolution (Å)	5.2
Resolution Method	FSC 0.143 CUT-OFF
Other Details	Non-uniform refinement in cryoSPARC v2
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (4JGH, 3DPL)
Refinement Space	REAL
Refinement Protocol	FLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	59

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TALOS ARCTICA
Minimum Defocus (nm)	1200
Maximum Defocus (nm)	2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.7
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	36000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details

EM Software
Task	Software Package	Version
IMAGE ACQUISITION	Leginon	3.3
CTF CORRECTION	CTFFIND	4
MODEL FITTING	UCSF Chimera
MODEL REFINEMENT	Rosetta
RECONSTRUCTION	cryoSPARC	2

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.