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Chitinase ChiA mutant - C61A/C79A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 289 0.1M Bis-Tris Propane pH 8.5, 0.2M Potassium sodium tartrate tetrahydrate, 20% PEG3350, 10% Ethylene glycol
Crystal Properties Matthews coefficient Solvent content 2.2 44.22
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 89.258 α = 90 b = 50.157 β = 95.027 c = 90.997 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 6M 2024-11-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL18U1 0.97853 SSRF BL18U1
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 1.6 44.46 99.9 0.063 0.999 17.7 6.6 53051
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 1.6 1.63 0.769 0.819
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT NONE 1.6 44.457 52977 2554 99.793 0.175 0.1733 0.1849 0.1999 0.2058 19.593
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] -0.002 0.009 0.008 -0.007
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_6_deg 14.721 r_dihedral_angle_3_deg 11.99 r_dihedral_angle_2_deg 7.85 r_dihedral_angle_1_deg 6.408 r_lrange_it 5.095 r_lrange_other 5.073 r_scangle_it 4.353 r_scangle_other 4.352 r_scbond_it 2.897 r_scbond_other 2.896
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_6_deg 14.721 r_dihedral_angle_3_deg 11.99 r_dihedral_angle_2_deg 7.85 r_dihedral_angle_1_deg 6.408 r_lrange_it 5.095 r_lrange_other 5.073 r_scangle_it 4.353 r_scangle_other 4.352 r_scbond_it 2.897 r_scbond_other 2.896 r_mcangle_it 2.513 r_mcangle_other 2.512 r_angle_refined_deg 1.775 r_mcbond_it 1.774 r_mcbond_other 1.772 r_angle_other_deg 0.625 r_nbd_refined 0.212 r_nbtor_refined 0.19 r_symmetry_nbd_other 0.186 r_nbd_other 0.181 r_xyhbond_nbd_refined 0.116 r_symmetry_xyhbond_nbd_refined 0.1 r_chiral_restr 0.096 r_symmetry_nbd_refined 0.089 r_symmetry_nbtor_other 0.081 r_chiral_restr_other 0.061 r_gen_planes_refined 0.01 r_bond_refined_d 0.009 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3239 Nucleic Acid Atoms Solvent Atoms 168 Heterogen Atoms 27
Software Software Software Name Purpose REFMAC refinement Aimless data scaling XDS data reduction PHENIX phasing