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Crystal Structure of TypeII restriction Enzyme Sau3AI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 277 16% polyethylene glycol 8000, 1M sodium acetate, 0.2M calcium chloride, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.89 57.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 69.648 α = 90 b = 197.673 β = 90 c = 191.145 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 CCD MAR CCD 165 mm 2007-07-07 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD ADSC QUANTUM 315r 2013-06-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BSRF BEAMLINE 3W1A 0.9789 BSRF 3W1A 2 SYNCHROTRON SSRF BEAMLINE BL17U 0.9792 SSRF BL17U
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.45 54.14 8.6 0.062 0.062 11.6 47905 47905 2 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1,2 2.45 2.68 24.3 0.331 0.409 3.5 4.1 10511
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) 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 THROUGHOUT 2.45 50 46127 43797 2331 94.07 0.22576 0.22373 0.23 0.26331 0.2662 RANDOM 71.955
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] 0.41 -6.97 6.56
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.56 r_dihedral_angle_4_deg 15.635 r_dihedral_angle_3_deg 15.358 r_long_range_B_refined 11.774 r_long_range_B_other 11.774 r_scangle_other 9.014 r_mcangle_it 8.156 r_mcangle_other 8.155 r_scbond_it 5.895 r_scbond_other 5.895
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.56 r_dihedral_angle_4_deg 15.635 r_dihedral_angle_3_deg 15.358 r_long_range_B_refined 11.774 r_long_range_B_other 11.774 r_scangle_other 9.014 r_mcangle_it 8.156 r_mcangle_other 8.155 r_scbond_it 5.895 r_scbond_other 5.895 r_dihedral_angle_1_deg 5.851 r_mcbond_it 5.418 r_mcbond_other 5.417 r_angle_refined_deg 1.361 r_angle_other_deg 0.95 r_chiral_restr 0.081 r_bond_refined_d 0.012 r_gen_planes_refined 0.006 r_bond_other_d 0.004 r_gen_planes_other 0.004 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7608 Nucleic Acid Atoms Solvent Atoms 31 Heterogen Atoms 1
Software Software Software Name Purpose HKL-2000 data collection SOLVE phasing REFMAC refinement XDS data reduction XDS data scaling