3SPX

Crystal structure of O-Acetyl Serine Sulfhydrylase from Leishmania donovani


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5289KSCN, PEG 3350, Bis-tris propane, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.2445.02

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 115.266α = 90
b = 61.974β = 90
c = 43.427γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2010-05-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM140.976ESRFBM14

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.795099.30.06410.97.82985229629
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.791.8392.10.3865.61359

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.7942.229499143798.490.1780.1760.2163RANDOM20.7145
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]
-1.130.250.89
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.016
r_dihedral_angle_4_deg18.419
r_dihedral_angle_3_deg12.802
r_dihedral_angle_1_deg6.333
r_scangle_it6.142
r_scbond_it3.877
r_mcangle_it2.285
r_angle_refined_deg2.104
r_mcbond_it1.397
r_chiral_restr0.159
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.016
r_dihedral_angle_4_deg18.419
r_dihedral_angle_3_deg12.802
r_dihedral_angle_1_deg6.333
r_scangle_it6.142
r_scbond_it3.877
r_mcangle_it2.285
r_angle_refined_deg2.104
r_mcbond_it1.397
r_chiral_restr0.159
r_bond_refined_d0.028
r_gen_planes_refined0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2396
Nucleic Acid Atoms
Solvent Atoms196
Heterogen Atoms9

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction