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Mouse acidic mammalian chitinase, catalytic domain in complex with N,N'-diacetylchitobiose at pH 5.25
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8FG5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.25 293.15 11 mg/mL AMCase catalytic domain
20% w/v PEG 6000
0.1 M Sodium Acetate pH 5.25
0.2 M Magnesium Chloride
19.33 mM GlcNAc2
Crystal Properties Matthews coefficient Solvent content 2.02 39.03
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 91.926 α = 90 b = 106.963 β = 90 c = 146.492 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 PILATUS3 6M 2021-06-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1.11578 ALS 8.3.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 1.7 57.29 99.87 0.1111 0.121 0.04745 0.997 9.09 6.4 158679 12.46
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.7 1.761 99.88 0.5593 0.61 0.2411 0.888 3.1 6.3
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 FREE R-VALUE 1.7 57.29 1.96 158666 7987 99.72 0.1441 0.1424 0.1428 0.1777 0.1781 15.72
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 11.7122 f_angle_d 0.9177 f_chiral_restr 0.0496 f_plane_restr 0.0074 f_bond_d 0.0056
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 11774 Nucleic Acid Atoms Solvent Atoms 1666 Heterogen Atoms 295
Software Software Software Name Purpose PHENIX refinement xia2 data reduction DIALS data scaling PHASER phasing Coot model building