Experiment: 4IEY

Cys-persulfenate bound Cysteine Dioxygenase at pH 7.0 in the presence of Cys, home-source structure

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	298	Purified enzyme was concentrated to ~8 mg/mL and then added into a crystallization screen containing 0.1 M tri-sodium citrate pH=5.6, 24-34% PEG 4K, and 0.1-0.25 M ammonium acetate. 1.5L of protein solution was added to each well and mixed with an equivalent volume of reservoir solution., pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.6	α = 90
b = 57.6	β = 90
c = 122.4	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV++		2012-05-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.63	33.294	98.6				26578

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.63	33.294	1.33	25094	2461	94.63	0.2173	0.213	0.2223	0.2563	0.2631

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	15.239
f_angle_d	1.496
f_chiral_restr	0.081
f_bond_d	0.015
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1508
Nucleic Acid Atoms
Solvent Atoms	247
Heterogen Atoms	10

Software

Software
Software Name	Purpose
CEmark	data collection
PHENIX	model building
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHENIX	phasing