4F5I

Substrate Specificity Conversion of E. coli Pyridoxal-5'-Phosphate Dependent Aspartate Aminotransferase to Tyrosine Aminotransferase: Chimera P4.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.62778% PEG 4000, 0.1 M Sodium Acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.3948.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.959α = 90
b = 103.065β = 90
c = 138.834γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray85CCDBRUKER SMART 6000Osmic Mirrors2010-07-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU3001.54

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
12.210099.90.05570.055718.0711.144457344527-3-323.8
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)
12.22.2999.20.3110.3113.346.414959

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 REPLACEMENT2.242.2171.3444444214999.890.17470.17280.2116
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]
0.72693.0667-3.7936
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.909
f_angle_d1.039
f_chiral_restr0.07
f_bond_d0.008
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6198
Nucleic Acid Atoms
Solvent Atoms743
Heterogen Atoms8

Software

Software
Software NamePurpose
PROTEUM PLUSdata collection
PHASERphasing
PHENIXrefinement
PROTEUM PLUSdata reduction
PROTEUM PLUSdata scaling