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Crystal Structure of Porphyromonas gingivalis Sialidase (PG_0352) Bound to Neu5Ac (NANA)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8FEB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 296 1.6 M ammonium citrate tribasic, pH 7.0
Crystal Properties Matthews coefficient Solvent content 2.46 49.97
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.255 α = 90 b = 56.782 β = 96.07 c = 80.378 γ = 90
Symmetry Space Group P 1 21 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 6M 2023-03-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.0333 APS 23-ID-D
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 1.93 41.53 98.18 0.1288 0.1566 0.088 0.986 7.52 3 40836 26.69
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 1.93 1.999 94.43 0.7913 0.9656 0.5471 0.556 2.9
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 8FEB 1.93 41.53 1.34 40744 2055 98.12 0.1758 0.1736 0.1738 0.2166 0.2169 32.95
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 11.3606 f_angle_d 0.9922 f_chiral_restr 0.0618 f_plane_restr 0.0144 f_bond_d 0.0076
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3855 Nucleic Acid Atoms Solvent Atoms 306 Heterogen Atoms 78
Software Software Software Name Purpose PHENIX refinement Coot model building PHASER phasing xia2 data scaling DIALS data reduction xia2 data reduction JBluIce-EPICS data collection