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1.11 A ATOMIC RESOLUTION STRUCTURE OF A THERMOSTABLE XYLANASE FROM THERMOASCUS AURANTIACUS
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TUX 1TUX (1.8 A)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.2 293 CRYSTALS WERE GROWN BY SITTING DROP AGAINST 12% AMMONIUM SULPHATE SOLUTION AT THE SAME BUFFER CONDITION IN THE RESERVOIR., pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.03 39.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 41.52 α = 90 b = 68.09 β = 113.56 c = 51.44 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 293 CCD ADSC QUANTUM 4 MIRROR 1999-02-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X9B 1.009 NSLS X9B
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 1.11 25 87.5 0.052 20.6 3.2 90855
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) 1.11 1.15 81.3 0.36 3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R 1TUX (1.8 A) 1.11 10 85628 85628 1745 82.7 0.0994 0.0968 0.1236 RANDOM
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 29 2119.2 2536.06
RMS Deviations Key Refinement Restraint Deviation s_non_zero_chiral_vol 0.111 s_approx_iso_adps 0.1 s_zero_chiral_vol 0.085 s_similar_adp_cmpnt 0.04 s_angle_d 0.031 s_from_restr_planes 0.0286 s_bond_d 0.016 s_rigid_bond_adp_cmpnt 0.006 s_similar_dist s_anti_bump_dis_restr
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4509 Nucleic Acid Atoms Solvent Atoms 267 Heterogen Atoms
Software Software Software Name Purpose HKL-2000 data collection SCALEPACK data scaling AMoRE phasing SHELXL-97 refinement HKL-2000 data reduction