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Structure-Based Design of Pyrazolo[1,5-a][1,3,5]triazine Derivatives as Potent Inhibitors of Protein Kinase CK2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1OM1 PDB ENTRY 1OM1 PROTEIN MODEL
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 297 12% PEG 4000, 0.10M Sodium Acetate, 0.10M TrisHCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Crystal Properties Matthews coefficient Solvent content 2.28 46.16
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 143.638 α = 90 b = 60.145 β = 102.901 c = 44.984 γ = 90
Symmetry Space Group C 1 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 113 IMAGE PLATE MAR scanner 345 mm plate MIRRORS 2005-09-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE ENRAF-NONIUS FR591
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 50 99.9 0.071 22.2 5 25306 25306
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 2.07 99.6 0.286 5.4 4.6 2495
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS PDB ENTRY 1OM1 PROTEIN MODEL 2 50 24747 24747 2444 100 0.188 0.188 0.184 0.225 RANDOM 22.896
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] 5.513 2.11 -7.622 2.109
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.83 c_scangle_it 2.98 c_scbond_it 2.04 c_mcangle_it 1.8 c_mcbond_it 1.23 c_angle_deg 1.2 c_improper_angle_d 0.74 c_bond_d 0.0052
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2734 Nucleic Acid Atoms Solvent Atoms 265 Heterogen Atoms 26
Software Software Software Name Purpose SCALEPACK data scaling CNS refinement PDB_EXTRACT data extraction MAR345dtb data collection DENZO data reduction CNX phasing CNX refinement