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CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS THYMIDYLATE KINASE COMPLEXED WITH THYMIDINE DIPHOSPHATE (TDP) AND THYMIDINE TRIPHOSPHATE (TTP) AT PH 5.4 (1.85 A RESOLUTION)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GSI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.4 293 Soaking in 30mM ATP, 40% PEG 2000, 10 mM ammonium sulphate, 0.1 M MES pH 5.4, 25 mM magnesium acetate, 2 mM mercaptoethanol, 3 mM EDTA, 1.5 mM DTT, VAPOR DIFFUSION, HANGING DROP + SOAKING
Crystal Properties Matthews coefficient Solvent content 2.29 45.84
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 76.248 α = 90 b = 76.248 β = 90 c = 135.114 γ = 120
Symmetry Space Group P 65 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD MARRESEARCH 2001-05-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM30A 0.90 ESRF BM30A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.85 24.96 94.1 0.055 6 4.7 19063 19063 -3 16.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.85 1.95 94.1 0.316 2.3 4.6 2788
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION OTHER THROUGHOUT 1GSI 1.85 24.96 19047 19047 929 92.6 0.215 0.215 0.215 0.2081 0.226 0.2202 RANDOM 19.2
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] 1.88 2.08 1.88 -3.77
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.8 c_scangle_it 3.66 c_scbond_it 2.89 c_mcangle_it 1.5 c_angle_deg 1.1 c_mcbond_it 1.04 c_improper_angle_d 0.73 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1546 Nucleic Acid Atoms Solvent Atoms 156 Heterogen Atoms 66
Software Software Software Name Purpose DENZO data reduction SCALA data scaling CNS refinement CCP4 data scaling CNS phasing