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Complex structure of human protein kinase CK2 catalytic subunit with a thieno[2,3-d]pyrimidin inhibitor crystallized under low-salt conditions
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2PVR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 PROTEIN STOCK SOLUTION: 6 MG/M CK2ALPHA1-335 IN 0.5 M NACL, 25 MM TRIS/HCL, PH 8.5;
INHIBITOR STOCK SOLUTION: 10 MM INHIBITOR IN DMSO;
PROTEIN/INHIBITOR COMPLEX SOLUTION: 90 MICROLITER PROTEIN STOCK SOLUTION + 10 MICROLITER INHIBITOR STOCK SOLUTION;
RESERVOIR SOLUTION: 24 % (w/v) PEG8000, 0.2 M KCl;
DROP SOLUTION BEFORE EQULIBRATION: 0.3 MICROLITER PROTEIN/INHIBITOR COMPLEX SOLUTION + 0.3 MICROLITER RESERVOIR SOLUTION
Crystal Properties Matthews coefficient Solvent content 1.96 37.33
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.104 α = 90 b = 79.418 β = 90 c = 82.341 γ = 90
Symmetry Space Group P 21 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 2M 2012-10-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06DA 1.0000 SLS X06DA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) CC (Half) 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 1.935 41.6 96 0.0982 0.0982 0.998 15.25 6.3 23281 21.84
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.935 2.004 62 0.7305 0.758 2.26 5.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2PVR 1.935 41.535 1.35 23281 1104 96.22 0.1584 0.1565 0.1578 0.1968 0.198
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 f_dihedral_angle_d 16.276 f_angle_d 1.031 f_chiral_restr 0.059 f_bond_d 0.009 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2782 Nucleic Acid Atoms Solvent Atoms 228 Heterogen Atoms 35
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHENIX phasing