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Replacement of Val3 in Human Thymidylate Synthase Affects Its Kinetic Properties and Intracellular Stability
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 277 20-25%ammonium sulfate, 20mM BME, 0.1M Tris PH8.5 , VAPOR DIFFUSION, HANGING DROP, temperature 277.0K
Crystal Properties Matthews coefficient Solvent content 3.01 59.15
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 95.704 α = 90 b = 95.704 β = 90 c = 81.94 γ = 120
Symmetry Space Group P 31 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray CCD MARMOSAIC 300 mm CCD 2008-04-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-BM APS 22-BM
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.86 50 91.6 0.061 35.545 5.1 33751
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.86 1.93 57.5 0.392 2.1 2093
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION THROUGHOUT 1.86 50 33719 1691 91.62 0.232 0.23 0.2231 0.268 RANDOM 47.43
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] -1.4 -0.7 -1.4 2.1
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.017 r_dihedral_angle_3_deg 18.75 r_dihedral_angle_4_deg 18.119 r_dihedral_angle_1_deg 6.955 r_scangle_it 4.834 r_scbond_it 3.228 r_mcangle_it 2.369 r_angle_refined_deg 2.01 r_mcbond_it 1.443 r_nbtor_refined 0.319
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.017 r_dihedral_angle_3_deg 18.75 r_dihedral_angle_4_deg 18.119 r_dihedral_angle_1_deg 6.955 r_scangle_it 4.834 r_scbond_it 3.228 r_mcangle_it 2.369 r_angle_refined_deg 2.01 r_mcbond_it 1.443 r_nbtor_refined 0.319 r_nbd_refined 0.231 r_xyhbond_nbd_refined 0.191 r_symmetry_vdw_refined 0.191 r_chiral_restr 0.153 r_symmetry_hbond_refined 0.096 r_bond_refined_d 0.023 r_gen_planes_refined 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2101 Nucleic Acid Atoms Solvent Atoms 156 Heterogen Atoms 24
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling CNS phasing