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Crystal Structure of D67A, E68P double mutant of O-acetyl-L-serine sulfhydrylase from Haemophilus influenzae
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4HO1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 293 0.1M HEPES, 1.3M Sodium Citrate
Crystal Properties Matthews coefficient Solvent content 1.87 34.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.212 α = 90 b = 113.212 β = 90 c = 43.475 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 2012-09-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5414
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 2.397 40.59 95.93 0.2 31.8 5.6 10586 43.7
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 2.397 2.483 73.94 0.23 2.8 4.1
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 4HO1 2.4 40.59 1.37 10584 502 95.96 0.1947 0.1917 0.1865 0.2566 0.2561 50.68
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 14.0845 f_angle_d 0.905 f_chiral_restr 0.0555 f_bond_d 0.0071 f_plane_restr 0.0065
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2122 Nucleic Acid Atoms Solvent Atoms 28 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement PHENIX refinement MOSFLM data reduction SCALA data scaling PHASER phasing