X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1QZ9PDB ENTRY 1QZ9

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1Microbatch under oil8298A 9.2 mg/ml kynureninase solution in 50 mM HEPES pH 5.2, 0.2 mM PLP was mixed in equal parts with 0.1 M Tris-Cl pH 8.0, 0.05 M MgCl2, 25% PEG 3000, Microbatch under oil, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.2244.64

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.117α = 90
b = 76.838β = 108.7
c = 93.274γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2004-06-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-BM0.97934APS19-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
1288.3999.80.0550.05524.683.73326621.969
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.0898.80.2640.2645.0463.33279

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 1QZ9288.3931583168399.460.152170.149860.19534RANDOM, 5%21.969
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]
-0.68-1.44-0.320.08
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.407
r_dihedral_angle_4_deg19.397
r_dihedral_angle_3_deg13.04
r_dihedral_angle_1_deg7.418
r_scangle_it4.688
r_scbond_it3.183
r_mcangle_it1.67
r_angle_refined_deg1.135
r_mcbond_it0.895
r_nbtor_refined0.303
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.407
r_dihedral_angle_4_deg19.397
r_dihedral_angle_3_deg13.04
r_dihedral_angle_1_deg7.418
r_scangle_it4.688
r_scbond_it3.183
r_mcangle_it1.67
r_angle_refined_deg1.135
r_mcbond_it0.895
r_nbtor_refined0.303
r_nbd_refined0.191
r_symmetry_vdw_refined0.175
r_symmetry_hbond_refined0.134
r_xyhbond_nbd_refined0.114
r_chiral_restr0.077
r_bond_refined_d0.008
r_gen_planes_refined0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3556
Nucleic Acid Atoms
Solvent Atoms540
Heterogen Atoms15

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing