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Crystal Structure of a Family GH18 Chitinase from Chromobacterium violaceum
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 291 200mM Litium Sulphate, 100mM Hepes pH 7.5, 25% Peg 3350
Crystal Properties Matthews coefficient Solvent content 2.58 52.28
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 126.866 α = 90 b = 126.866 β = 90 c = 93.815 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV++ 2011-12-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 1.75 40 99.2 0.078 0.084 16.48 6.4 169502 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.75 1.79 92 0.425 0.529 2.37 2.5
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SAD FREE R-VALUE 1.75 37.973 1.16 169499 8483 99.16 0.1581 0.1572 0.1581 0.1758 0.1749 Random selection 17.8856
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 11.882 f_angle_d 1.034 f_chiral_restr 0.044 f_bond_d 0.006 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5181 Nucleic Acid Atoms Solvent Atoms 1006 Heterogen Atoms 14
Software Software Software Name Purpose XDS data reduction SHELXDE phasing PDB_EXTRACT data extraction PHENIX refinement GDA data collection XSCALE data scaling