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Crystal structure of ICChI chitinase from ipomoea carnea
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1HVQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 291 5mM Cobalt Chloride, 5mM Cadmium Chloride, 5mM Magnesium Chloride, 5mM Nickle Chloride, 100mM HEPES pH 7.0, 11% PEG 3350
Crystal Properties Matthews coefficient Solvent content 2.52 51.28
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 59.49 α = 90 b = 59.49 β = 90 c = 171.2 γ = 90
Symmetry Space Group P 43 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 210r 2008-06-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM16 0.98401 ESRF BM16
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 1.5 30 99.9 0.068 20.2 10.4 50243 18.71
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 1.5 3 0.28
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT FREE R-VALUE 1HVQ 1.5 30 1.35 50243 2521 99.93 0.191 0.1893 0.19 0.2242 0.2241 Random selection 26.03
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 5.1128 f_angle_d 0.8959 f_chiral_restr 0.0574 f_bond_d 0.0065 f_plane_restr 0.0056
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2119 Nucleic Acid Atoms Solvent Atoms 343 Heterogen Atoms 147
Software Software Software Name Purpose XDS data reduction PHENIX refinement Aimless data scaling Coot model building PHASER phasing