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Crystal structure of O-Acetyl Serine Sulfhydrylase in complex with octapeptide derived from Serine Acetyl Transferase of Leishmania donovani
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3SPX PDB ENTRY 3SPX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 289 KSCN, PEG 3350, pH 6.5, vapor diffusion, hanging drop, temperature 289K
Crystal Properties Matthews coefficient Solvent content 2.13 42.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.217 α = 90 b = 62.44 β = 90 c = 43.538 γ = 90
Symmetry Space Group P 21 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD MARRESEARCH 2010-10-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM14 0.976 ESRF BM14
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 1.68 115.22 99.59 36632 7.2
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 (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 PDB ENTRY 3SPX 1.68 115.22 36490 1798 99.59 0.1864 0.1847 0.1934 0.2202 0.1982 RANDOM 21.7077
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] -1.11 0.26 0.84
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.725 r_dihedral_angle_4_deg 18.3 r_dihedral_angle_3_deg 13.324 r_dihedral_angle_1_deg 6.731 r_scangle_it 6.159 r_scbond_it 3.979 r_mcangle_it 2.539 r_angle_refined_deg 2.478 r_mcbond_it 1.589 r_chiral_restr 0.183
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.725 r_dihedral_angle_4_deg 18.3 r_dihedral_angle_3_deg 13.324 r_dihedral_angle_1_deg 6.731 r_scangle_it 6.159 r_scbond_it 3.979 r_mcangle_it 2.539 r_angle_refined_deg 2.478 r_mcbond_it 1.589 r_chiral_restr 0.183 r_bond_refined_d 0.031 r_gen_planes_refined 0.013
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2403 Nucleic Acid Atoms Solvent Atoms 213 Heterogen Atoms 1
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling MOLREP phasing REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection