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The high-resolution crystal structure of TsXylA, intracellular xylanase from /Thermoanaerobacterium saccharolyticum JW/SL-YS485/: the complex of the E251A mutant with xylotriose
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3W24
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 295 0.1M Tris, 25% PEG 6000, 0.8M LiCl, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.75 55.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77.365 α = 90 b = 119.178 β = 90 c = 45.389 γ = 90
Symmetry Space Group P 21 21 2
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 2011-06-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSRRC BEAMLINE BL13B1 NSRRC BL13B1
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 1.39 25 99.8 0.084 25.4 7.2 84274 84274
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 1.39 1.44 97.5 0.487 3.8 7.3
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 3W24 1.39 25 79016 79016 3989 95.9 0.1801 0.1784 0.1978 0.1985 RANDOM 18.7548
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] 0.59 -1.995 1.405
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.709 c_scbond_it 1.864 c_mcangle_it 1.577 c_mcbond_it 1.08
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2593 Nucleic Acid Atoms Solvent Atoms 686 Heterogen Atoms 28
Software Software Software Name Purpose HKL-2000 data collection PHASES phasing CNS refinement HKL-2000 data reduction HKL-2000 data scaling