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The structure of a chitin deacetylase from Bombyx mori provide the first insight into insect chitin deacetylation mechanism
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 277 0.02M Calcium chloride dihydrate, 0.1M Sodium acetate trihydrate pH 4.6, 30% v/v (+/-)-2-Methyl-2,4-pentanediol
Crystal Properties Matthews coefficient Solvent content 4.8 74.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.017 α = 90 b = 115.017 β = 90 c = 106.51 γ = 120
Symmetry Space Group P 31 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 PILATUS 300K 2016-09-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NFPSS BEAMLINE BL18U 0.97775 NFPSS BL18U
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) 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 2.3 50 100 0.834 3 11.2 32284 37.59
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.3 2.34 100 0.907 2.1 10.5
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) Mean Isotropic B X-RAY DIFFRACTION NONE 2.399 46.964 1.38 28976 1555 89.7 0.1759 0.175 0.1761 0.1913 0.1933
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 17.798 f_angle_d 1.097 f_chiral_restr 0.069 f_bond_d 0.01 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2907 Nucleic Acid Atoms Solvent Atoms 160 Heterogen Atoms 29
Software Software Software Name Purpose PHENIX refinement HKL-3000 data scaling PHENIX phasing Coot model building HKL-3000 data reduction