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Crystal structure of FnCas12a in complex with pre-crRNA and 18nt target DNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5MGA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 289 0.05 M MES, pH 6.0, 0.15 M Sodium formate, 17% PEG 3350
Crystal Properties Matthews coefficient Solvent content 2.85 56.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 124.283 α = 90 b = 124.283 β = 90 c = 268.523 γ = 90
Symmetry Space Group P 43 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 100 PIXEL DECTRIS PILATUS 6M 2022-10-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL18U1 0.97915 SSRF BL18U1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) 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 3.45 50 99.8 0.102 6 8.1 28418 48.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.45 3.51 99.9 0.279 2.5 6.4
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 5MGA 3.45 47.22 1.41 25251 1234 88.89 0.2193 0.2159 0.2169 0.2853 0.285 50.39
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 19.6624 f_angle_d 1.341 f_chiral_restr 0.0623 f_bond_d 0.0112 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10393 Nucleic Acid Atoms 1661 Solvent Atoms 2 Heterogen Atoms 2
Software Software Software Name Purpose PHENIX refinement HKL-3000 data scaling HKL-3000 data reduction Coot model building PHENIX phasing