5SX3

Crystal structure of the catalase-peroxidase KatG of B. pseudomaallei at pH 4.5


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1MWV 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29316-20% PEG, 20% MPD, pH 5.6 0.1 M sodium citrate
Crystal Properties
Matthews coefficientSolvent content
3.1961.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 101.049α = 90
b = 114.847β = 90
c = 174.704γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42005-07-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-20.933ESRFID14-2

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
1295.9798.80.07510.83.6128889
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)
122.0789.40.5453

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 REPLACEMENTTHROUGHOUT1MWV220128889679098.660.16320.16150.1956RANDOM33.424
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]
0.92-1.350.43
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.298
r_dihedral_angle_4_deg17.624
r_dihedral_angle_3_deg13.021
r_dihedral_angle_1_deg6.155
r_mcangle_it3.124
r_mcbond_it2.043
r_mcbond_other2.038
r_angle_refined_deg2.003
r_angle_other_deg1.119
r_chiral_restr0.131
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.298
r_dihedral_angle_4_deg17.624
r_dihedral_angle_3_deg13.021
r_dihedral_angle_1_deg6.155
r_mcangle_it3.124
r_mcbond_it2.043
r_mcbond_other2.038
r_angle_refined_deg2.003
r_angle_other_deg1.119
r_chiral_restr0.131
r_bond_refined_d0.023
r_gen_planes_refined0.013
r_gen_planes_other0.01
r_bond_other_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11010
Nucleic Acid Atoms
Solvent Atoms1363
Heterogen Atoms126

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing