4H3E

Crystal structure of a putative iron superoxide dismutase from Trypanosoma cruzi bound to iron


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7289TrcrA.00198.b.B1 PS01521 at 23.05 mg/mL against JCSG+ screen condition G1: 0.1 M HEPES, pH 7.0, 30% Jeffamine ED-2001, crystal tracking ID 235439g1, unique puck ID gvr7-6, VAPOR DIFFUSION, SITTING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
1.9436.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 47.65α = 90
b = 75.68β = 90
c = 117.45γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 944+VariMax2012-09-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E+ SUPERBRIGHT1.5418

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
12.2550970.13713.47.22085420226-319.81
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)
12.252.3194.40.375.99

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 4F2N2.2544.1919189103896.980.1730.17090.2122RANDOM13.3107
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]
-0.540.190.35
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.245
r_dihedral_angle_3_deg12.935
r_dihedral_angle_4_deg11.965
r_dihedral_angle_1_deg6.073
r_angle_refined_deg1.407
r_angle_other_deg1.008
r_chiral_restr0.084
r_bond_refined_d0.012
r_gen_planes_refined0.007
r_bond_other_d0.005
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.245
r_dihedral_angle_3_deg12.935
r_dihedral_angle_4_deg11.965
r_dihedral_angle_1_deg6.073
r_angle_refined_deg1.407
r_angle_other_deg1.008
r_chiral_restr0.084
r_bond_refined_d0.012
r_gen_planes_refined0.007
r_bond_other_d0.005
r_gen_planes_other0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3350
Nucleic Acid Atoms
Solvent Atoms348
Heterogen Atoms2

Software

Software
Software NamePurpose
XSCALEdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction