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Crystal Structure of O-Acetylserine Sulfhydrylase from Haemophilus influenzae in complex with high affinity inhibitory peptide from Serine acetyl transferase of Salmonella typhimurium
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1Y7L
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7.5 293 1.4M sodium Citrate, 0.1M HEPES pH 7.5, VAPOR DIFFUSION, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.14 42.43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 112.655 α = 90 b = 112.655 β = 90 c = 46.535 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 2012-06-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.59 43.1 97 19 6.7 8700 8700 2 2 42.12
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 MOLECULAR REPLACEMENT THROUGHOUT 1Y7L 2.592 43.01 1.37 8700 8700 414 94.23 0.1999 0.1999 0.1974 0.1988 0.248 0.2408 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 12.542 f_angle_d 0.76 f_chiral_restr 0.048 f_bond_d 0.003 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2327 Nucleic Acid Atoms Solvent Atoms 31 Heterogen Atoms 6
Software Software Software Name Purpose MAR345dtb data collection PHASER phasing PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling