3W7O

Structure of Trypanosoma cruzi dihydroorotate dehydrogenase in complex with TT2-3-165


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3W7GPDB ENTRY 3W7G

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.22770.1M Cacodylate, 13% PEG3350, 0.05M Hexaamminecobalt (III) Chloride, 1mM Oxonate, pH 5.2, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.3146.82

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.965α = 90
b = 71.877β = 90
c = 129.042γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray77CCDADSC QUANTUM 2702012-12-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE AR-NE3A1.0Photon FactoryAR-NE3A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.685097.60.07795.671092-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.681.7198.50.3724.195.43555

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 3W7G1.6827.7470143356096.370.1420.1410.178RANDOM15.8811
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
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.209
r_dihedral_angle_4_deg18.132
r_dihedral_angle_3_deg12.656
r_dihedral_angle_1_deg6.482
r_angle_refined_deg2.327
r_angle_other_deg1.051
r_chiral_restr0.139
r_bond_refined_d0.024
r_gen_planes_refined0.015
r_bond_other_d0.003
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.209
r_dihedral_angle_4_deg18.132
r_dihedral_angle_3_deg12.656
r_dihedral_angle_1_deg6.482
r_angle_refined_deg2.327
r_angle_other_deg1.051
r_chiral_restr0.139
r_bond_refined_d0.024
r_gen_planes_refined0.015
r_bond_other_d0.003
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4776
Nucleic Acid Atoms
Solvent Atoms771
Heterogen Atoms239

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection