9EQF

Crystal structure of the L-arginine hydroxylase VioC MeHis316, bound to Fe(II), L-arginine, and succinate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6ALQ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	final concentration of 10 mg ml-1 protein, in 20 mM HEPES buffer pH 7.5 containing 0.4 mM ammonium iron(II) sulphate hexahydrate, 2 mM L-arginine and 2 mM succinate, mixed 1:1 volume with 0.02 M magnesium chloride hexahydrate, 0.1 M HEPES, pH 7.5, containing 22 % (w/v) poly(acrylic acid sodium salt) 5100

Crystal Properties
Matthews coefficient	Solvent content
1.87	34.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.145	α = 90
b = 67.107	β = 109.221
c = 62.945	γ = 90

Symmetry
Space Group	C 1 2 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 EIGER2 S 16M		2020-10-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.976	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.6	38.48	99.61	0.999	15.47	6.6		41962			17.87

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.64	96.09		0.922	1.86

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.6	38.48	1.37	41950	2082	99.61	0.1593	0.1578	0.1868	26.31

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.8005
f_angle_d	0.8098
f_chiral_restr	0.0489
f_plane_restr	0.0096
f_bond_d	0.0047

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2628
Nucleic Acid Atoms
Solvent Atoms	393
Heterogen Atoms	32

Software

Software
Software Name	Purpose
PHENIX	refinement
DIALS	data reduction
DIALS	data scaling
PHENIX	phasing

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.