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Crystal structure of M120A mutant 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 4HO1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.7 291.1 0.1M HEPES pH 7.7, 1.4M Sodium Citrate
Crystal Properties Matthews coefficient Solvent content 1.78 30.94
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 112.16 α = 90 b = 112.16 β = 90 c = 43.46 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 RIGAKU RAXIS IV++ 2017-10-15 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) R Merge I (Observed) Rrim I (All) 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 2.3 35.47 100 0.069 0.073 0.999 25 9.7 12233 23.93
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.3 2.382 100 0.241 0.255 0.977 9.4 9.6
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 2.3 35.468 1.37 12229 568 99.97 0.1635 0.1609 0.1636 0.2136 0.2142
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 12.431 f_angle_d 0.871 f_chiral_restr 0.055 f_bond_d 0.008 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2347 Nucleic Acid Atoms Solvent Atoms 46 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement MOSFLM data reduction SCALA data scaling PHASER phasing