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STRUCTURE-BASED DESIGN AND SYNTHESIS OF LIPOPHILIC 2,4-DIAMINO-6-SUBSTITUTED QUINAZOLINES AND THEIR EVALUATION AS INHIBITORS OF DIHYDROFOLATE REDUCTASE AND POTENTIAL ANTITUMOR AGENTS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 pH 6.5
Crystal Properties Matthews coefficient Solvent content 2.61 52.93
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 86.259 α = 90 b = 86.259 β = 90 c = 77.637 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 287 IMAGE PLATE RIGAKU RAXIS M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
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 2.1 53 95 0.049 2.5 9706 2
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) 2.1 78 0.125 2.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2.1 8 2 8970 95 0.202 19.34
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 p_transverse_tor 22.5 p_staggered_tor 19.4 p_planar_tor 2.4 p_multtor_nbd 0.262 p_xyhbond_nbd 0.259 p_singtor_nbd 0.197 p_chiral_restr 0.191 p_planar_d 0.051 p_angle_d 0.05 p_bond_d 0.018
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 22.5 p_staggered_tor 19.4 p_planar_tor 2.4 p_multtor_nbd 0.262 p_xyhbond_nbd 0.259 p_singtor_nbd 0.197 p_chiral_restr 0.191 p_planar_d 0.051 p_angle_d 0.05 p_bond_d 0.018 p_plane_restr 0.014 p_angle_deg p_hb_or_metal_coord p_mcbond_it p_mcangle_it p_scbond_it p_scangle_it p_xhyhbond_nbd p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1495 Nucleic Acid Atoms Solvent Atoms 125 Heterogen Atoms 73
Software Software Software Name Purpose PROLSQ refinement SCALEPACK data scaling