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CRYSTAL STRUCTURE OF INACTIVE MYCOBACTERIUM TUBERCULOSIS THYMIDYLATE KINASE COMPLEXED WITH THYMIDINE MONOPHOSPHATE (TMP) AT PH 4.6 (RESOLUTION 1.85 A)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GSI PDB ENTRY 1GSI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 4.6 293 Soaking in 30mM ATP, 40% PEG 2000, 10 mM ammonium sulphate, 0.1 M sodium citrate pH 4.6, 25mM magnesium acetate, 2 mM
mercaptoethanol, 3 mM EDTA, 1.5 mM DTT, VAPOR DIFFUSION, HANGING DROP, SOAKING
Crystal Properties Matthews coefficient Solvent content 2.5 50
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 75.51 α = 90 b = 75.51 β = 90 c = 136.02 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 Toroidal Mirror 2001-04-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM30A 0.93 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 24.72 99.8 0.066 6.9 6.5 20281 20281 -3 23
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 98.8 0.382 1.9 5.5 2839
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) 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 PDB ENTRY 1GSI 1.85 24.72 1967002.66 20223 20223 981 99.6 0.211 0.21 0.21 0.2075 0.233 0.2307 RANDOM 26.8
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] 2.95 -0.08 2.95 -5.9
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.7 c_scangle_it 4.86 c_scbond_it 4.25 c_mcangle_it 1.68 c_angle_deg 1.2 c_mcbond_it 1.15 c_improper_angle_d 0.79 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1514 Nucleic Acid Atoms Solvent Atoms 145 Heterogen Atoms 75
Software Software Software Name Purpose DENZO data reduction SCALA data scaling CNS refinement CCP4 data scaling CNS phasing