6KEY

Structural basis for the regulation of inducible nitric oxide synthase (iNOS) by the SPRY domain-containing SOCS box protein 2 (SPSB2)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	0.2M Sodium chloride, 0.1M BIS-TRIS pH5.5, 25% w/v Polyethylene glycol 3350

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.24	α = 90
b = 64.08	β = 90
c = 70.73	γ = 90

Symmetry
Space Group	P 21 21 21

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 PILATUS3 6M		2017-07-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL19U1	0.9778	SSRF	BL19U1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.24	64.08	98.4	0.102	0.11	0.04	0.995	10	6.6		52182

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.24	1.26	98.7		0.342	0.372	0.141	0.939		6.6

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.24	35	49579	2553	97.95	0.1853	0.1843	0.2043	RANDOM	9.098

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]
-0.17			-0.67		0.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.094
r_dihedral_angle_4_deg	14.968
r_dihedral_angle_3_deg	12.067
r_dihedral_angle_1_deg	7.374
r_angle_refined_deg	1.808
r_angle_other_deg	1.05
r_chiral_restr	0.094
r_bond_refined_d	0.014
r_gen_planes_refined	0.01
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.094
r_dihedral_angle_4_deg	14.968
r_dihedral_angle_3_deg	12.067
r_dihedral_angle_1_deg	7.374
r_angle_refined_deg	1.808
r_angle_other_deg	1.05
r_chiral_restr	0.094
r_bond_refined_d	0.014
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1602
Nucleic Acid Atoms
Solvent Atoms	122
Heterogen Atoms

Software

Software
Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
iMOSFLM	data reduction
MOLREP	phasing

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.