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Crystal structure of E19A mutant chitosanase from Bacillus subtilis MY002 complexed with GlcNs.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7C6E
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 291 25% w/v PEG 3350, 0.1 M Bis-Tris (pH 5.5) and 0.2 M ammonium acetate.
Crystal Properties Matthews coefficient Solvent content 2.6 52.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.671 α = 90 b = 77.047 β = 90 c = 79.278 γ = 90
Symmetry Space Group P 21 21 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 PIXEL DECTRIS EIGER R 4M 2022-10-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL17U 0.9783 SSRF BL17U
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.8 55.3 99.8 0.125 0.99 6.9 2 27222
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.8 1.83 0.414 0.98 2
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 MOLECULAR REPLACEMENT THROUGHOUT 1.8 55.25 1.36 27164 1355 99.92 0.1518 0.1497 0.1494 0.1918 0.1918
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 14.423 f_angle_d 1.363 f_chiral_restr 0.273 f_bond_d 0.015 f_plane_restr 0.012
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1925 Nucleic Acid Atoms Solvent Atoms 354 Heterogen Atoms 91
Software Software Software Name Purpose PHENIX refinement HKL-3000 data scaling HKL-3000 data reduction PHASER phasing PDB_EXTRACT data extraction