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The structure of glycosynthase IXT6 (E241G mutant), the intracellular xylanase of G.proteiniphilus T-6 in complex with xylobiose-F and xylotetraose-F molecules
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9FKH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 2M Sodium acetate and 0.1M Sodium cacodylate buffer at pH 6.5.
Crystal Properties Matthews coefficient Solvent content 3.57 65.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 169.924 α = 90 b = 81.458 β = 91.654 c = 79.62 γ = 90
Symmetry Space Group C 1 2 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 PIXEL DECTRIS PILATUS 200K 2020-12-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.54
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 2.4 40.73 100 0.12 0.13 0.06 0.99 9.8 4.7 42632 26.56
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.4 2.48 0.61 0.71 0.37 0.75 2.1
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2.4 40.73 1.34 42585 2149 99.89 0.1697 0.1674 0.1685 0.2105 0.2109 29.63
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 8.3627 f_angle_d 0.9516 f_chiral_restr 0.0567 f_bond_d 0.0079 f_plane_restr 0.0055
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5420 Nucleic Acid Atoms Solvent Atoms 486 Heterogen Atoms 57
Software Software Software Name Purpose PHENIX refinement PHENIX refinement XDS data reduction Aimless data scaling PHENIX phasing