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Crystal structure of sialic acid binding protein
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2V4C PDB ENTRY 2V4C
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 277 30 MG/ML SIAP (IN 20 MM HEPES, 10 MM NACL AND KDN, PH 8.0) AND EQUAL VOLUME OF RESERVOIR SOLUTION (100MM MES PH 6.0, 28.5% PEG 6K, 200MM SODIUM THIOCYANATE), TEMPERATURE 277K
Crystal Properties Matthews coefficient Solvent content 2.3 46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.836 α = 90 b = 74.489 β = 90 c = 88.151 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 CCD ADSC CCD 2009-07-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-4 ESRF ID14-4
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 1.49 50 90.1 0.11 11.8 6.2 46426 3
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 1.49 1.52 99.2 0.4 3.8 5.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 2V4C 1.5 28.45 43885 2361 89.5 0.139 0.136 0.1514 0.195 0.2076 2V4C 16.08
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] 0.65 -1.76 1.11
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.929 r_dihedral_angle_4_deg 16.259 r_dihedral_angle_3_deg 12.546 r_scangle_it 5.818 r_dihedral_angle_1_deg 5.516 r_scbond_it 4.037 r_mcangle_it 2.524 r_mcbond_it 1.706 r_angle_refined_deg 1.629 r_rigid_bond_restr 1.619
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.929 r_dihedral_angle_4_deg 16.259 r_dihedral_angle_3_deg 12.546 r_scangle_it 5.818 r_dihedral_angle_1_deg 5.516 r_scbond_it 4.037 r_mcangle_it 2.524 r_mcbond_it 1.706 r_angle_refined_deg 1.629 r_rigid_bond_restr 1.619 r_angle_other_deg 1.01 r_mcbond_other 0.565 r_chiral_restr 0.112 r_bond_refined_d 0.017 r_gen_planes_refined 0.009 r_bond_other_d 0.002 r_gen_planes_other 0.001 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2432 Nucleic Acid Atoms Solvent Atoms 405 Heterogen Atoms 18
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction SCALEPACK data scaling REFMAC phasing