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Key residues affecting transglycosylation activity in family 18 chitinases - Insights into donor and acceptor subsites
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4NZC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 298 0.2 M magnesium chloride, 0.1 M Tris-HCl pH 7.0 and 10% (w/v) PEG 8000 in mixtures containing (GlcNAc)6
Crystal Properties Matthews coefficient Solvent content 2.11 41.76
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 128.84 α = 90 b = 87.57 β = 115.49 c = 75.39 γ = 90
Symmetry Space Group C 1 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS3 2M 2016-07-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE MASSIF-1 0.966 ESRF MASSIF-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.45 69.96 93.9 0.078 9.9 2.8 126010
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rrim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.45 1.47 60.6 0.436 2.1 1.9
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 4NZC 1.45 69.96 1.4 126003 6194 93.93 0.1766 0.1749 0.1749 0.2091 0.209 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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 17.526 f_angle_d 0.846 f_chiral_restr 0.08 f_bond_d 0.006 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6228 Nucleic Acid Atoms Solvent Atoms 995 Heterogen Atoms 76
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHENIX phasing