3W2K

Structure of Trypanosoma cruzi dihydroorotate dehydrogenase in complex with MII-3-165

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.2	298	0.1M Cacodylate, 13% PEG3350, 0.05M Hexaamminecobalt (III) Chloride, 1mM Oxonate, pH 5.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.057	α = 90
b = 71.981	β = 90
c = 128.884	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	77	CCD	ADSC QUANTUM 210		2008-12-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NW12A	1.0	Photon Factory	AR-NW12A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.54	50	83.3	0.056	13.8	4.9	78580	78580		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.54	1.6	82.9		0.388	4.02	4.7	7725

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3W23	1.54	34.66	74537	74537	3970	83.24	0.13775	0.13775	0.1361	0.16851	RANDOM	14.648

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
r_dihedral_angle_2_deg	37.307
r_dihedral_angle_4_deg	18.1
r_dihedral_angle_3_deg	11.934
r_dihedral_angle_1_deg	6.652
r_angle_refined_deg	2.412
r_angle_other_deg	1.089
r_chiral_restr	0.146
r_bond_refined_d	0.027
r_gen_planes_refined	0.017
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.307
r_dihedral_angle_4_deg	18.1
r_dihedral_angle_3_deg	11.934
r_dihedral_angle_1_deg	6.652
r_angle_refined_deg	2.412
r_angle_other_deg	1.089
r_chiral_restr	0.146
r_bond_refined_d	0.027
r_gen_planes_refined	0.017
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4776
Nucleic Acid Atoms
Solvent Atoms	708
Heterogen Atoms	243

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

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.