5BO4

Structure of SOCS2:Elongin C:Elongin B from DMSO-treated crystals

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.2	291	PEG 3350, CaOAc, Sodium cacodylate, Glycerol

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 185.217	α = 90
b = 185.217	β = 90
c = 67.204	γ = 120

Symmetry
Space Group	P 32

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD		2014-01-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	1.0432, 0.9537	ESRF	BM14

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (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	2.9	46.3	99.2	0.067	0.12	0.124	0.039	0.999	15.6	3.9		56676			59.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.9	2.98	100		0.622	0.045	0.36	0.673	2.3	3.9	4449

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	2.9	46.3	53812	2862	99.15	0.2317	0.2288	0.2872	RANDOM	77.311

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]
2.05	1.02		2.05		-6.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.589
r_dihedral_angle_4_deg	16.238
r_dihedral_angle_3_deg	15.005
r_mcangle_it	6.491
r_dihedral_angle_1_deg	5.45
r_mcbond_it	4.066
r_mcbond_other	4.066
r_angle_refined_deg	1.014
r_angle_other_deg	0.712
r_chiral_restr	0.052

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.589
r_dihedral_angle_4_deg	16.238
r_dihedral_angle_3_deg	15.005
r_mcangle_it	6.491
r_dihedral_angle_1_deg	5.45
r_mcbond_it	4.066
r_mcbond_other	4.066
r_angle_refined_deg	1.014
r_angle_other_deg	0.712
r_chiral_restr	0.052
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	14871
Nucleic Acid Atoms
Solvent Atoms	33
Heterogen Atoms

Software

Software
Software Name	Purpose
Aimless	data scaling
SOLVE	phasing
RESOLVE	model building
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.