2G86

L. casei thymidylate synthase Y261F in complex with substrate, dUMP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7298vapor diffusion against 20mM KPO4 buffer; protein solution in same buffer with 15-20mM ammonium sulfate, DTT, 38 mMdUMP, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties
Matthews coefficientSolvent content
2.9458.15

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 78.55α = 90
b = 78.55β = 90
c = 241.8γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298IMAGE PLATERIGAKU RAXIS II1996-01-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.54178

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.439.491.517.41663916639-329
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.42.5587.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT2.439.41663916639167291.50.1770.1740.1740.233RANDOM42.8
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]
-1.091.23-1.092.17
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d26.3
c_scangle_it4.06
c_scbond_it2.96
c_mcangle_it2.3
c_angle_deg2.2
c_improper_angle_d2.09
c_mcbond_it1.34
c_bond_d0.022
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2592
Nucleic Acid Atoms
Solvent Atoms91
Heterogen Atoms20

Software

Software
Software NamePurpose
CNSrefinement
CCP4data scaling
CNSphasing