5M32

Human 26S proteasome in complex with Oprozomib

ELECTRON MICROSCOPY

Refinement

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	10.562
f_angle_d	1.483
f_chiral_restr	0.072
f_bond_d	0.019
f_plane_restr	0.01

Sample
human 26S proteasome in complex with oprozomib
Sample Components
human 26S proteasome
bound oprozomib

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	LEICA EM GP
Cryogen Name	ETHANE
Sample Vitrification Details	blot with sensor

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	233000
Reported Resolution (Å)	3.8
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Data Acquisition
Detector Type	FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)	2

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	300
Maximum Defocus (nm)	8400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	0.0001
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification	59000
Calibrated Magnification	110236
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
CTF CORRECTION	Gctf
INITIAL EULER ASSIGNMENT	SIMPLE	2
FINAL EULER ASSIGNMENT	RELION	2
CLASSIFICATION	RELION	1.4
RECONSTRUCTION	RELION	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 R01GM157729.