4F4E

Crystal structure of Aromatic-amino-acid aminotransferase from Burkholderia pseudomallei covalently bound to pyridoxal phosphate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5290Emerald Bio JCSG+ screen C1: 20% PEG8000, 100 mM phosphate/citrate, pH 4.2, 200 mM sodium chloride, 36.1 mg/mL BupsE.01471.a.A1 PW 34948 + 2.5 mM PLP, tray 233390c1, cryoprotectant: 10/20% ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.3748.07

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 134.92α = 90
b = 74.82β = 90
c = 85.28γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 944+2012-05-09MSINGLE 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
11.85099.70.0620.3358069780481-322.744
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)
11.81.8598.70.4652.473

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 4EFF1.8508069780427403799.730.16250.16250.16070.1964RANDOM17.3325
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]
-0.070.020.05
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.77
r_dihedral_angle_4_deg18.986
r_dihedral_angle_3_deg12.879
r_dihedral_angle_1_deg5.605
r_angle_refined_deg1.586
r_angle_other_deg0.963
r_chiral_restr0.093
r_bond_refined_d0.014
r_gen_planes_refined0.008
r_gen_planes_other0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.77
r_dihedral_angle_4_deg18.986
r_dihedral_angle_3_deg12.879
r_dihedral_angle_1_deg5.605
r_angle_refined_deg1.586
r_angle_other_deg0.963
r_chiral_restr0.093
r_bond_refined_d0.014
r_gen_planes_refined0.008
r_gen_planes_other0.002
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5996
Nucleic Acid Atoms
Solvent Atoms859
Heterogen Atoms16

Software

Software
Software NamePurpose
XSCALEdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
StructureStudiodata collection