3K28

Crystal Structure of a glutamate-1-semialdehyde aminotransferase from Bacillus anthracis with bound Pyridoxal 5'Phosphate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.529818% PEG8K, 0.2M caAcet., 0.1M Nacacod pH 6.5, 10mM PLP , VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.2845.97

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 149.809α = 90
b = 113.688β = 118.65
c = 113.955γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX-300Be lens2009-07-31MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-G0.97857APS21-ID-G

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
11.955099.90.10317.43.9240968240968-3-320.82
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)
1.951.9899.90.5682.583.811981

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT1.9528.4512176261100.14730.1854RANDOM23.28
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]
6.16791.0357-0.9231-5.2449
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms12922
Nucleic Acid Atoms
Solvent Atoms1513
Heterogen Atoms74

Software

Software
Software NamePurpose
BLU-MAXdata collection
CRANKphasing
ARP/wARPmodel building
BUSTERrefinement
HKL-2000data reduction
HKL-2000data scaling