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N-ACETYLNEURAMINATE LYASE IN COMPLEX WITH PYRUVATE VIA BOROHYDRIDE REDUCTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NAL ENZYME-3-HYDROXYPYRUVATE COMPLEX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.9 HANGING DROP VAPOR DIFFUSION. WELL: 53% SATURATED AMMONIUM SULFATE, 75 MILLIMOLAR SODIUM PHOSPHATE BUFFER (PH 6.9). DROP: EQUAL VOLUMES OF WELL AND PRE-REACTED ENZYME, SIALIC ACID AND BOROHYDRIDE MIX (SEE JRNL), vapor diffusion - hanging drop
Crystal Properties Matthews coefficient Solvent content 3.2 56
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 121 α = 90 b = 121 β = 90 c = 196.12 γ = 120
Symmetry Space Group P 32 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 108 IMAGE PLATE RIGAKU RAXIS IIC MSC MIRROR SYSTEM 1995-12-18 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE MACSCIENCE M18X
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 2.6 15 97 0.094 12.6 3.7 49914
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.6 2.64 84.3 0.389 2.67 2.4
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1FDZ (ENZYME-3-HYDROXYPYRUVATE COMPLEX) 2.6 6 45800 96.8 0.2 0.2 0.1939 27.3
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 x_dihedral_angle_d 23.2 x_angle_deg 1.7 x_improper_angle_d 1.58 x_bond_d 0.012 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.2 x_angle_deg 1.7 x_improper_angle_d 1.58 x_bond_d 0.012 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9006 Nucleic Acid Atoms Solvent Atoms 228 Heterogen Atoms 20
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement DENZO data reduction SCALEPACK data scaling X-PLOR phasing