4V15

Crystal structure of D-threonine aldolase from Alcaligenes xylosoxidans


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.113% (W/V) PEG-3350, 200 MM SODIUM CHLORIDE, 100 MM TRIS/HCL, PH 8.1
Crystal Properties
Matthews coefficientSolvent content
2.245

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.267α = 90
b = 84.278β = 111.9
c = 72.852γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDTOROIDAL FOCUSING2008-07-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DASLSX06DA

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
11.547.6599.60.086.37.4111114-312.65
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)
11.51.551000.331.67.4

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 3GWQ AND 3LLX1.535.7591.44111114555199.620.14990.14840.176719.5
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
f_dihedral_angle_d14.626
f_angle_d1.356
f_chiral_restr0.057
f_bond_d0.019
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5489
Nucleic Acid Atoms
Solvent Atoms955
Heterogen Atoms66

Software

Software
Software NamePurpose
AUTOMARdata reduction
SCALEPACKdata scaling
PHASERphasing
Rosettaphasing
PHENIXrefinement