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Crystal structure of O-acetylserine sulfhydrylase from haemophilus influenzae in complex with reaction intermediate alpha-aminoacrylate
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 LIQUID DIFFUSION 7.5 293 0.1MHEPES 1.3M sodium citrate
Crystal Properties Matthews coefficient Solvent content 1.9 38.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 112.66 α = 90 b = 112.66 β = 90 c = 43.369 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 varimax optics 2012-07-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5
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 1.98 32 99.3 0.03 53 4.8 19145 2 26
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.98 2.05 99 22 4.7
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 4HO1 1.98 32 1.38 19145 976 99.29 0.1566 0.1545 0.1583 0.1949 0.1984 Random
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 14.068 f_angle_d 1.057 f_chiral_restr 0.044 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2302 Nucleic Acid Atoms Solvent Atoms 94 Heterogen Atoms 27
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing