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Crystal structure of the Type I-B CRISPR-associated protein, Csh2 from Thermobaculum terrenum
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7KHA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 291 7 % (w/v) Polyethylene glycol 3350, 2 % (v/v) Tacsimate pH 5.0, 0.1 M Sodium citrate pH 5.6
Crystal Properties Matthews coefficient Solvent content 2.13 42.36
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 30.946 α = 106.5 b = 54.432 β = 91.49 c = 96.364 γ = 90.09
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 2017-07-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PAL/PLS BEAMLINE 11C 0.9794 PAL/PLS 11C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 1.889 20 96.7 0.067 0.079 0.042 5.8 3.4 46406 29.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.93 95.4 0.557 0.667 0.362 0.782 3.2
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 THROUGHOUT 7KHA 1.889 19.895 1.99 46393 1851 96.05 0.1788 0.177 0.1777 0.2208 0.2198 38.7092
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 11.466 f_angle_d 0.688 f_chiral_restr 0.047 f_bond_d 0.003 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4374 Nucleic Acid Atoms Solvent Atoms 404 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement HKL-2000 data scaling PDB_EXTRACT data extraction HKL-2000 data reduction PHENIX phasing