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Engineering the active site of a GH43 glycoside hydrolase generates a biotechnologically significant enzyme that displays both endo- xylanase and exo-arabinofuranosidase activity
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 0.1 M BIS-TRIS PH 6.5, 22 % (W/V) PEG3350, 2 M AMMONIUM SULFATE
Crystal Properties Matthews coefficient Solvent content 2.06 40.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.318 α = 90 b = 78.26 β = 103.13 c = 95.767 γ = 90
Symmetry Space Group P 1 21 1
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 CCD 2008-12-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I04 Diamond I04
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 1.85 47.75 100 0.12 13.8 10.2 80563 2 16.09
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 1.85 1.89 100 0.46 5.1 8.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 NONE 1.85 47.75 76186 4029 99.96 0.15638 0.15461 0.1613 0.18923 0.1959 RANDOM 19.738
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] 0.03 0.05 -0.03 0.02
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 27.579 r_dihedral_angle_4_deg 15.069 r_dihedral_angle_3_deg 12.457 r_dihedral_angle_1_deg 6.808 r_angle_refined_deg 1.386 r_chiral_restr 0.096 r_bond_refined_d 0.01 r_gen_planes_refined 0.007 r_bond_other_d r_angle_other_deg
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 27.579 r_dihedral_angle_4_deg 15.069 r_dihedral_angle_3_deg 12.457 r_dihedral_angle_1_deg 6.808 r_angle_refined_deg 1.386 r_chiral_restr 0.096 r_bond_refined_d 0.01 r_gen_planes_refined 0.007 r_bond_other_d r_angle_other_deg r_gen_planes_other 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_mcbond_it r_mcbond_other r_mcangle_it r_mcangle_other r_scbond_it r_scbond_other r_scangle_it r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8356 Nucleic Acid Atoms Solvent Atoms 847 Heterogen Atoms 66
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction SCALA data scaling SHELX phasing