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Human thymidylate synthase complexed with dUMP and Raltitrexed, an antifolate drug, is in the closed conformation
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.8 298 PEG 4000, EDTA, Tris buffer, Ammonium Sulfate , pH 8.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.46 50.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 68.849 α = 70.23 b = 70.495 β = 83.29 c = 74.533 γ = 73.28
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 120 IMAGE PLATE RIGAKU RAXIS IV 1998-06-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418
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 1.9 6 95 0.072 11.8 2.4 94011 89364 3 1 10.5
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 1.9 1.96 87 0.34 8643
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) 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 MOLECULAR REPLACEMENT THROUGHOUT 1.9 20.09 1 3 94011 78861 5566 79.2 0.201 0.201 0.2094 0.244 0.2461 RANDOM 21.9
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 c_dihedral_angle_d 23.3 c_scangle_it 2.71 c_mcangle_it 1.99 c_scbond_it 1.88 c_mcbond_it 1.56 c_angle_deg 1.4 c_improper_angle_d 0.78 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9316 Nucleic Acid Atoms Solvent Atoms 596 Heterogen Atoms 224
Software Software Software Name Purpose SCALEPACK data scaling CNS refinement CNS phasing