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Crystal structure of Cas12i2 ternary complex with 12 nt spacer
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6LTR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 EVAPORATION 7.8 289 0.2 M NaCl, 0.1 M Bis-Tris propane pH 7.8, 18.5% PEG 6000
Crystal Properties Matthews coefficient Solvent content 2.91 57.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 93.553 α = 90 b = 122.672 β = 90 c = 284.712 γ = 90
Symmetry Space Group C 2 2 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 EIGER X 16M 2019-06-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL17U1 0.97918 SSRF BL17U1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 3.2 50 99.8 0.093 0.101 0.039 0.997 26.5 6.4 26456 63.59
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 3.2 3.26 99.5 0.862 0.94 0.368 0.853 4 6.2
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 6LTR 3.22 29.56 1.35 26260 1339 97.6 0.2082 0.2069 0.2068 0.2306 0.2304 60.81
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 19.836 f_angle_d 0.7944 f_chiral_restr 0.049 f_plane_restr 0.0055 f_bond_d 0.0042
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7448 Nucleic Acid Atoms 1206 Solvent Atoms 21 Heterogen Atoms 44
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing