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Structure of Type IIL restriction-modification enzyme MmeI in complex with DNA has implications for engineering of new specificities
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 10%(w/v) polyethylene glycol (PEG) 8K,0.1M
HEPES pH 7.5, 0.2Mcalcium acetate
Crystal Properties Matthews coefficient Solvent content 3.48 68.48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.877 α = 72.84 b = 95.292 β = 89.15 c = 161.969 γ = 71.62
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 315 2011-04-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.0 APS 23-ID-D
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 2.596 50 89.3 0.128 11.64 3.5 91018
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 2.596 2.69 75.2 0.511 2.023 2.9
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SAD FREE R-VALUE 2.5964 43.047 1.96 90973 2017 88.14 0.2156 0.215 0.2173 0.2419 0.2423 Random selection
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 14.593 f_angle_d 1.06 f_chiral_restr 0.053 f_bond_d 0.008 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 11582 Nucleic Acid Atoms 1044 Solvent Atoms 63 Heterogen Atoms 56
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHENIX phasing