4IQB

High Resolution Crystal Structure of C.elegans Thymidylate Synthase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.62770.1M MES pH 5.6, 0.15M (NH4)2SO4, 18% PEG 5000MME, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.1943.78

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 99.335α = 90
b = 98.367β = 111.77
c = 69.159γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray2011-12-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.10.918BESSY14.1

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
11.1329.3228161
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)
11.131.1589.40.4392.01

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.1329.32281611141999.070.11470.11350.1387RANDOM16.7316
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]
-0.02-0.02
RMS Deviations
KeyRefinement Restraint Deviation
r_sphericity_free40.705
r_dihedral_angle_2_deg34.12
r_dihedral_angle_4_deg16.829
r_dihedral_angle_3_deg12.623
r_sphericity_bonded11.661
r_rigid_bond_restr6.804
r_dihedral_angle_1_deg6.784
r_angle_refined_deg2.194
r_angle_other_deg1.21
r_chiral_restr0.144
RMS Deviations
KeyRefinement Restraint Deviation
r_sphericity_free40.705
r_dihedral_angle_2_deg34.12
r_dihedral_angle_4_deg16.829
r_dihedral_angle_3_deg12.623
r_sphericity_bonded11.661
r_rigid_bond_restr6.804
r_dihedral_angle_1_deg6.784
r_angle_refined_deg2.194
r_angle_other_deg1.21
r_chiral_restr0.144
r_bond_refined_d0.023
r_gen_planes_refined0.014
r_gen_planes_other0.003
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4616
Nucleic Acid Atoms
Solvent Atoms942
Heterogen Atoms10

Software

Software
Software NamePurpose
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction