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Discovery of imidazoquinolines as a novel class of potent, selective and in vivo efficacious COT kinase inhibitors
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4Y85
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 298 0.1 M Bis-Tris pH 7, 1.7 m ammonium sulfate, 0.01 M proline. Protein solution (COT:compound 1:1) was mixed with an equal volume (1 uL) of reservoir solution. Equilibration was done over 500 uL reservoir solution.
Crystal Properties Matthews coefficient Solvent content 2.38 48.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.48 α = 90 b = 87.43 β = 90 c = 125.12 γ = 90
Symmetry Space Group P 2 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 6M 2010-11-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X10SA 1.0000 SLS X10SA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.7 71.66 99.9 0.129 12.53 6.53 20386 50.76
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.7 2.81 0.492
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 4Y85 2.7 58.01 20361 1019 99.81 0.2339 0.2326 0.2579 0.2307 RANDOM 29.06
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] -4.06 1.2262 2.8338
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 17.99 t_omega_torsion 2.37 t_angle_deg 0.98 t_bond_d 0.008 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 17.99 t_omega_torsion 2.37 t_angle_deg 0.98 t_bond_d 0.008 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4775 Nucleic Acid Atoms Solvent Atoms 150 Heterogen Atoms 74
Software Software Software Name Purpose BUSTER refinement XDS data reduction XSCALE data scaling PHASER phasing