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Structural basis for DNase activity of a conserved protein implicated in CRISPR-mediated antiviral defense
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.6 291 250 mM CaCl2, 50 mM HEPES pH 7.6, 10% PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.71 54.53
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 109.87 α = 90 b = 110.96 β = 90 c = 130.25 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 ADSC QUANTUM 315 KOHZU: Double Crystal Si(111) 2008-08-31 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.2 0.97856,1.884244 ALS 8.2.2
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 2.17 17.974 99.6 0.112 7.96 3.8 162701 162078 1 2 36.055
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) 2.17 2.23 99.8 0.733 2.01 3.8
Refinement Statistics Diffraction ID Structure Solution Method 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 SAD 2.17 17.974 1.36 161987 8115 99.74 0.206 0.203 0.2 0.258 0.253 31.93
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] 0.896 6.715 -7.612
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 18.285 f_angle_d 1.643 f_chiral_restr 0.105 f_bond_d 0.017 f_plane_restr 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9748 Nucleic Acid Atoms Solvent Atoms 686 Heterogen Atoms 8
Software Software Software Name Purpose XDS data scaling PHENIX model building PHENIX refinement XDS data reduction PHENIX phasing