2R2N

The crystal structure of human kynurenine aminotransferase II in complex with kynurenine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5277100 mM Hepes, 15% PEG 10000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.4349.39

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.843α = 90
b = 109.36β = 94.68
c = 119.354γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray200CCDADSC QUANTUM 3152007-06-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A1.0809NSLSX29A

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
11.953093.20.09211.5132070
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)
11.952.0262.10.3736.5

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 REPLACEMENTTHROUGHOUT2qlr1.9526.68116774618593.140.195680.194250.2228RANDOM29.617
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_deg40.658
r_dihedral_angle_4_deg18.484
r_dihedral_angle_3_deg18.237
r_dihedral_angle_1_deg7.676
r_scangle_it4.3
r_scbond_it2.827
r_angle_refined_deg1.796
r_mcangle_it1.71
r_mcbond_it0.958
r_nbtor_refined0.312
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.658
r_dihedral_angle_4_deg18.484
r_dihedral_angle_3_deg18.237
r_dihedral_angle_1_deg7.676
r_scangle_it4.3
r_scbond_it2.827
r_angle_refined_deg1.796
r_mcangle_it1.71
r_mcbond_it0.958
r_nbtor_refined0.312
r_symmetry_vdw_refined0.268
r_nbd_refined0.231
r_chiral_restr0.207
r_xyhbond_nbd_refined0.165
r_symmetry_hbond_refined0.139
r_bond_refined_d0.018
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13330
Nucleic Acid Atoms
Solvent Atoms1341
Heterogen Atoms160

Software

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