3FHX

Crystal structure of D235A mutant of human pyridoxal kinase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8298Protein solution: 20 mM Sodium BES buffer pH 7.2, 100 mM NaCl, 5 mM BME, 2.5 mM MgATP, 1 mM PLP. Precipitant: 100 mM Tris-HCl pH 8.0, 57% MPD, 5 mM MgSO4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
3.1761.16

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.224α = 90
b = 115.422β = 90
c = 168.898γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVMSC Varimax confocal optics2008-04-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.54178

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
12.532.6999.70.0833.9931128
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)
12.52.5999.60.2984.23.793079

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 2YXU2.529.933112431124156899.60.2140.2140.2120.262RANDOM44.391
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]
17.54-9-8.54
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.5
c_improper_angle_d2.17
c_angle_deg1.4
c_bond_d0.008
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4869
Nucleic Acid Atoms
Solvent Atoms135
Heterogen Atoms193

Software

Software
Software NamePurpose
d*TREKdata scaling
CNSrefinement
PDB_EXTRACTdata extraction
CrystalCleardata collection
d*TREKdata reduction
CNSphasing