3O6Q

The Structure of SpoIISA and SpoIISB, a Toxin - Antitoxin System


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP921 % PEG 1500, 0.4 M MES, 0.2 M malic acid, 0.43 M Tris-HCl, pH 9.0, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
1.7931.24

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.028α = 90
b = 59.465β = 90
c = 112.352γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2008-10-06MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID290.97890, 0.97900, 0.97630ESRFID29

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
12.255090.50.12118.911.21602256
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)
2.252.2944.40.6822.75.5388

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 DIFFRACTIONMADTHROUGHOUT2.548.691226565098.810.198840.195890.25778RANDOM62.135
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]
-0.971.01-0.03
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.28
r_dihedral_angle_4_deg23.437
r_dihedral_angle_3_deg18.626
r_dihedral_angle_1_deg6.524
r_angle_refined_deg1.537
r_angle_other_deg1.201
r_chiral_restr0.092
r_bond_refined_d0.015
r_gen_planes_refined0.007
r_bond_other_d0.004
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.28
r_dihedral_angle_4_deg23.437
r_dihedral_angle_3_deg18.626
r_dihedral_angle_1_deg6.524
r_angle_refined_deg1.537
r_angle_other_deg1.201
r_chiral_restr0.092
r_bond_refined_d0.015
r_gen_planes_refined0.007
r_bond_other_d0.004
r_gen_planes_other0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3104
Nucleic Acid Atoms
Solvent Atoms18
Heterogen Atoms

Software

Software
Software NamePurpose
HKL-2000data collection
SHELXSphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling