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Crystal Structure of the Ku Heterodimer
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 295 14% PEG 4000, 900 mM sarcosine, 140 mM magnesium chloride, 100 mM Tris-HCl (pH 8.5), VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.62 53.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.209 α = 90 b = 86.186 β = 90 c = 203.277 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 CCD BRANDEIS - B4 2000-10-23 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 0.9633, 0.9786, 0.9791 NSLS X25
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 2.7 20 92.9 0.09 8.2 5.2 36700 36700 -3 -3 27.4
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) 2.7 2.8 69.8 0.41 2.82
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 2.7 19.89 39422 31853 1588 80.8 0.225 0.225 0.222 0.5182 0.283 0.5244 RANDOM 46.9
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] 0.95 -5.54 4.58
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23 c_scangle_it 3.39 c_mcangle_it 2.78 c_scbond_it 2.15 c_mcbond_it 1.56 c_angle_deg 1.4 c_improper_angle_d 0.89 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8591 Nucleic Acid Atoms Solvent Atoms 42 Heterogen Atoms
Software Software Software Name Purpose SOLVE phasing CNS refinement DENZO data reduction SCALEPACK data scaling