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Crystal structure of Csm3 of the type III-A CRISPR-Cas effector complex
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 180 mM di-ammonium tartrate, 18% (w/v) PEG 3350, 3% (w/v) PEG 1500
Crystal Properties Matthews coefficient Solvent content 2.53 51.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.331 α = 90 b = 78.331 β = 90 c = 182.686 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 95 CCD ADSC QUANTUM 315r 2012-11-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PHOTON FACTORY BEAMLINE BL-17A 0.9788 Photon Factory BL-17A
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 50 99.7 0.08 18.8 13.9 16335 46.5
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) 1 2.7 2.75 100 0.466 14.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2.701 39.455 1.34 16271 823 99.73 0.2128 0.2111 0.2428 0.2448 49.6898
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 3.164 f_angle_d 0.592 f_chiral_restr 0.046 f_bond_d 0.002 f_plane_restr 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2861 Nucleic Acid Atoms Solvent Atoms 6 Heterogen Atoms
Software Software Software Name Purpose HKL-2000 data scaling MOLREP phasing PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data reduction