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Synthesis and SAR Studies of imidazo-[1,2-a]-pyrazine Aurora kinase inhibitors with improved off target kinase selectivity
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.3 291 0.1M TRIS, 0.2M LISO4, 33% PEG 400, 0.001M COMPOUND, 1% DMSO, pH 8.3, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.51 51.06
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 83.329 α = 90 b = 83.329 β = 90 c = 157.7 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 95 IMAGE PLATE RIGAKU RAXIS IV++ OSMIC 2007-07-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU FR-E SUPERBRIGHT 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.659 28.9 98.7 31.3 6.8 9765 3 76.72
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 2.659 2.668 100 0.615 0.615 3 6.7
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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT 2.66 28.9 9754 499 98.73 0.2046 0.2022 0.217 0.2465 0.2616 RANDOM 84.53
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] -5.3534 -5.3534 10.7068
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 17.07 t_omega_torsion 2.97 t_angle_deg 1.09 t_bond_d 0.01 t_dihedral_angle_d t_trig_c_planes t_gen_planes t_it t_chiral_improper_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2051 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 40
Software Software Software Name Purpose StructureStudio data collection BUSTER refinement autoPROC data scaling XDS data reduction SCALA data scaling