3R23

Crystal Structure of D-alanine--D-Alanine Ligase from Bacillus anthracis


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52890.1 M BIS-TRIS, 20% w/v Polyethylene glycol monomethyl ether 5,000, VAPOR DIFFUSION, SITTING DROP, temperature 100K, pH 6.5, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.5351.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 65.878α = 90
b = 83.187β = 90
c = 128.38γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rmirrors2010-06-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97934APS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.55099.90.1578.344.9253022530240.17
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.52.541000.8174.0491252

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT2.540.2382424525200096.780.1970.1910.256random44.9
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]
16.49718.36937.6716
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.891
f_angle_d1.518
f_chiral_restr0.103
f_bond_d0.012
f_plane_restr0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4696
Nucleic Acid Atoms
Solvent Atoms234
Heterogen Atoms16

Software

Software
Software NamePurpose
SBC-Collectdata collection
HKL-3000data collection
HKL-3000phasing
PHENIXmodel building
PHENIXrefinement
HKL-3000data reduction
HKL-3000data scaling
PHENIXphasing