7B12

HUMAN IMMUNOPROTEASOME 20S PARTICLE IN COMPLEX WITH [2-(3-ethylphenyl)-1-[(2S)-3-phenyl-2-[(pyrazin-2-yl)formamido]propanamido]ethyl]boronic acid

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.6	291	42 % MPD, 0.20 M NaSCN,

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.995	α = 90
b = 201.736	β = 106.83
c = 161.932	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 2M		2011-09-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I24	0.917300	Diamond	I24

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.43	107.89	93.4	0.133	0.06	0.998	9.8	4.5		177341			60.34

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.43	2.657	72.2		0.542	0.569	1.6	5.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	NONE	2.43	107.89	177341	8735	93.4	0.1822	0.18	0.2245	RANDOM	60.98

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-5.8408		1.7755	8.3515		-2.5107

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	17.66
t_omega_torsion	3.11
t_angle_deg	1
t_bond_d	0.008
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	17.66
t_omega_torsion	3.11
t_angle_deg	1
t_bond_d	0.008
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_pseud_angle
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	48113
Nucleic Acid Atoms
Solvent Atoms	996
Heterogen Atoms	229

Software

Software
Software Name	Purpose
BUSTER	refinement
XDS	data reduction
PHASER	phasing
PDB_EXTRACT	data extraction
autoPROC	data scaling
autoPROC	data processing
STARANISO	data scaling

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.