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Trypanosoma cruzi trans-sialidase in complex with 2,3-difluorosialic acid (covalent intermediate)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 291 PEG 4000, Tris-HCl, isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.6 51.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.149 α = 90 b = 128.69 β = 108.74 c = 54.298 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 110 CCD ADSC QUANTUM 4 2003-04-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 0.934 ESRF ID14-1
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 1.6 28.4 89.2 0.042 82813 82813 1 1
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) 1 1.6 1.63 83.8 83.8 0.201
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT 1.6 28.4 82813 82504 4134 89.27 0.101 0.099 0.099 0.1004 0.152 0.1518 RANDOM 14.981
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] 0.83 1.16 -0.5 0.41
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.744 r_sphericity_free 26.686 r_dihedral_angle_4_deg 17.281 r_dihedral_angle_3_deg 12.851 r_dihedral_angle_1_deg 7.185 r_sphericity_bonded 6.919 r_scangle_it 5.514 r_scbond_it 4.305 r_mcangle_it 2.657 r_rigid_bond_restr 2.413
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.744 r_sphericity_free 26.686 r_dihedral_angle_4_deg 17.281 r_dihedral_angle_3_deg 12.851 r_dihedral_angle_1_deg 7.185 r_sphericity_bonded 6.919 r_scangle_it 5.514 r_scbond_it 4.305 r_mcangle_it 2.657 r_rigid_bond_restr 2.413 r_mcbond_it 2.187 r_angle_refined_deg 1.768 r_angle_other_deg 0.898 r_mcbond_other 0.655 r_symmetry_hbond_refined 0.381 r_symmetry_vdw_other 0.271 r_symmetry_vdw_refined 0.228 r_nbd_refined 0.227 r_xyhbond_nbd_refined 0.207 r_nbd_other 0.201 r_nbtor_refined 0.179 r_chiral_restr 0.119 r_nbtor_other 0.084 r_bond_refined_d 0.019 r_gen_planes_refined 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 4849 Nucleic Acid Atoms Solvent Atoms 850 Heterogen Atoms 44
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction AMoRE phasing