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Crystal Structure of Tetra mutant (D67E, A68P, L98I, A301S) tetra mutant of O-acetyl-L-serine sulfhydrylase from Haemophilus influenzae at 2.8 A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1Y7L 1Y7L
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 278 0.1M HEPES, 1.3M Sodium Citrate
Crystal Properties Matthews coefficient Solvent content 2.14 42.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.043 α = 90 b = 113.043 β = 90 c = 44.343 γ = 90
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE MAR scanner 345 mm plate 2012-09-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.54179
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.8 39.97 87.33 1 31.05 1.1 6815
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.802 2.902 1 12.88
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 (All) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1Y7L 2.799 39.97 6194 294 87.154 0.23 0.2286 0.2301 0.265 0.2723 75.712
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] -7.107 -7.107 14.213
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.682 r_lrange_it 19.185 r_dihedral_angle_3_deg 16.897 r_dihedral_angle_4_deg 15.026 r_scangle_it 13.127 r_mcangle_it 11.922 r_scbond_it 9.022 r_mcbond_it 7.801 r_dihedral_angle_1_deg 6.242 r_angle_refined_deg 1.505
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.682 r_lrange_it 19.185 r_dihedral_angle_3_deg 16.897 r_dihedral_angle_4_deg 15.026 r_scangle_it 13.127 r_mcangle_it 11.922 r_scbond_it 9.022 r_mcbond_it 7.801 r_dihedral_angle_1_deg 6.242 r_angle_refined_deg 1.505 r_symmetry_nbd_refined 0.318 r_nbtor_refined 0.308 r_symmetry_xyhbond_nbd_refined 0.243 r_nbd_refined 0.219 r_xyhbond_nbd_refined 0.14 r_chiral_restr 0.115 r_bond_refined_d 0.006 r_gen_planes_refined 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2286 Nucleic Acid Atoms Solvent Atoms 14 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction SCALA data scaling PHASER phasing