3UWK

Structure Guided Development of Novel Thymidine Mimetics targeting Pseudomonas aeruginosa Thymidylate Kinase: from Hit to Lead Generation


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5295The protein was mixed 1:1 with a reservoir solution containing 30% PEG 4000, 0.2M MgCl2, and 0.1 M Tris pH 7.5 - 8.5 and incubated at 295, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
1.8131.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.341α = 90
b = 118.063β = 90
c = 41.918γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102010-01-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-ID1APS17-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.962.8799.70.06918.73.72939111087422
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.971000.4432.63.72876

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.9162.872939127872148999.450.196880.196880.194550.2424RANDOM28.215
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]
-0.88-0.161.04
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.008
r_dihedral_angle_4_deg23.638
r_dihedral_angle_1_deg21.728
r_dihedral_angle_3_deg16.157
r_scangle_it6.707
r_scbond_it4.655
r_mcangle_it2.98
r_mcbond_it2.077
r_angle_refined_deg1.742
r_nbtor_refined0.321
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.008
r_dihedral_angle_4_deg23.638
r_dihedral_angle_1_deg21.728
r_dihedral_angle_3_deg16.157
r_scangle_it6.707
r_scbond_it4.655
r_mcangle_it2.98
r_mcbond_it2.077
r_angle_refined_deg1.742
r_nbtor_refined0.321
r_symmetry_vdw_refined0.279
r_nbd_refined0.24
r_chiral_restr0.161
r_xyhbond_nbd_refined0.132
r_symmetry_hbond_refined0.12
r_bond_refined_d0.016
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3076
Nucleic Acid Atoms
Solvent Atoms99
Heterogen Atoms35

Software

Software
Software NamePurpose
JDirectordata collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling