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THYMIDYLATE SYNTHASE R23I, R179T DOUBLE MUTANT
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TDM
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 pH 7.0
Crystal Properties Matthews coefficient Solvent content 2.96 57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.5 α = 90 b = 78.5 β = 90 c = 243.4 γ = 120
Symmetry Space Group P 61 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 293 IMAGE PLATE RIGAKU RAXIS IIC 1995-04-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.4 50 87.7 0.093 9.3 0.096 4 16096 34.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.4 2.5 75.2 0.51 51 1.85 2.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1TDM 2.4 7 2 15689 1571 89.3 0.197 0.197 0.271 RANDOM 30.9
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]
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 24.3 x_scangle_it 6.12 x_mcangle_it 5.83 x_scbond_it 4.43 x_mcbond_it 4.04 x_angle_deg 1.4 x_improper_angle_d 1.22 x_bond_d 0.007 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 24.3 x_scangle_it 6.12 x_mcangle_it 5.83 x_scbond_it 4.43 x_mcbond_it 4.04 x_angle_deg 1.4 x_improper_angle_d 1.22 x_bond_d 0.007 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2586 Nucleic Acid Atoms Solvent Atoms 55 Heterogen Atoms 21
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement DENZO data reduction SCALEPACK data scaling X-PLOR phasing