2AFA

Crystal Structure of putative NAG isomerase from Salmonella typhimurium


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6273PEG, sodium cacodylate, sodium acetate , pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 273K
Crystal Properties
Matthews coefficientSolvent content
2.243

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 88.933α = 106.81
b = 91.14β = 103.52
c = 95.102γ = 111.79
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315mirrors2004-10-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X250.979NSLSX25

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
12.15501000.08127.413227213227222.5
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)
2.152.231000.756.813231

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 DIFFRACTIONSADTHROUGHOUT2.1545.77126832126832251795.40.2070.2070.246RANDOM34
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]
4.43-0.151.98-2.130.35-2.31
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d20.8
c_angle_deg1.3
c_improper_angle_d0.79
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms19908
Nucleic Acid Atoms
Solvent Atoms661
Heterogen Atoms

Software

Software
Software NamePurpose
CNSrefinement
CBASSdata collection
HKL-2000data scaling
SHELXDphasing