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Crystal structure of the mutant D75N I-CreI in complex with its wild- type target in absence of metal ions at the active site (The four central bases, 2NN region, are composed by GTAC from 5' to 3')
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2XE0 PDB ENTRY 2XE0
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8.5 20% PEG300, 0.1M TRIS PH 8.5, 5% PEG8000, 10% GLYCEROL
Crystal Properties Matthews coefficient Solvent content 3.36 67
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 49.406 α = 90 b = 84.668 β = 90 c = 159.959 γ = 90
Symmetry Space Group P 2 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 PIXEL DECTRIS PILATUS 6M M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS SLS
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 3.1 47.44 99.9 0.05 7.9 4.3 12755 2 86.59
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 3.1 3.27 100 0.31 2.5 4.3
Refinement Statistics Diffraction ID Structure Solution 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 PDB ENTRY 2XE0 3.1 47.206 1.34 12750 1276 99.79 0.2126 0.2097 0.2152 0.2378 0.2477
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] -4.0402 1.6569 2.3833
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 25.079 f_angle_d 1.036 f_chiral_restr 0.063 f_bond_d 0.004 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2464 Nucleic Acid Atoms 978 Solvent Atoms 26 Heterogen Atoms 48
Software Software Software Name Purpose PHENIX refinement XDS data reduction SCALA data scaling PHASER phasing