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High resolution crystal structure of 1,5-alpha-arabinanase catalytic mutant (AbnBE201A)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3CU9 PDB ENTRY 3CU9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 295 1.9M lithium sulfate, 0.1M Tris buffer pH 8.5, 4%(w/v) PEG 400, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.04 39.83
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 85.854 α = 90 b = 89.672 β = 90 c = 75.503 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 MARMOSAIC 225 mm CCD 2005-06-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X10SA 0.978578 SLS X10SA
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 1.22 50 96 0.068 0.059 16.6 16 86543 83088 11.1
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) 1.22 1.24 0.24 0.268 10.3 3707
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-Factor (All) 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 AB INITIO FREE R PDB ENTRY 3CU9 1.22 30 78902 78902 4150 90.1 0.158 0.1581 0.1535 0.1923 0.1574 RANDOM 17.8
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 2797.5
RMS Deviations Key Refinement Restraint Deviation s_non_zero_chiral_vol 0.082 s_zero_chiral_vol 0.074 s_similar_adp_cmpnt 0.046 s_from_restr_planes 0.0318 s_angle_d 0.029 s_anti_bump_dis_restr 0.027 s_bond_d 0.012 s_rigid_bond_adp_cmpnt 0.004 s_similar_dist s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2516 Nucleic Acid Atoms Solvent Atoms 278 Heterogen Atoms 1
Software Software Software Name Purpose SHELX model building SHELXL-97 refinement HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling SHELX phasing