3U31

Plasmodium falciparum Sir2A preferentially hydrolyzes medium and long chain fatty acyl lysine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29816% PEG 3350, 0.1M NaF, 7% Formamide, vapor diffusion, hanging drop, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.5852.35

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 32.173α = 90
b = 102.734β = 90
c = 105.184γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102009-11-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE F21.97CHESSF2

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
12.25099.90.1297.26.718544
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)
12.22.2499.90.7485886

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB ENTRY 3JWP2.2501851494799.820.20460.20240.2465RANDOM36.9718
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]
-0.120.030.09
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.123
r_dihedral_angle_4_deg21.603
r_dihedral_angle_3_deg16.77
r_dihedral_angle_1_deg6.927
r_scangle_it5.303
r_scbond_it3.343
r_mcangle_it2.081
r_angle_refined_deg2.066
r_mcbond_it1.172
r_chiral_restr0.134
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.123
r_dihedral_angle_4_deg21.603
r_dihedral_angle_3_deg16.77
r_dihedral_angle_1_deg6.927
r_scangle_it5.303
r_scbond_it3.343
r_mcangle_it2.081
r_angle_refined_deg2.066
r_mcbond_it1.172
r_chiral_restr0.134
r_bond_refined_d0.024
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2107
Nucleic Acid Atoms
Solvent Atoms76
Heterogen Atoms51

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
CrystalCleardata collection
HKL-2000data reduction
MOLREPphasing