5W8N

Lipid A Disaccharide Synthase (LpxB)-6 solubilizing mutations


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.629240 % PEG 4000, 0.1 M Tris-HCl pH 8.6, 0.8 M LiCl combined 1:1 with 8 g/L protein in 0.3 M NaCl, 20 mM Tris-HCl pH 7.5, 5% glycerol, 5 mM DTT with 100 mM trimethylammonium chloride additive used at 10% of drop volume ie. 10 mM final concentration
Crystal Properties
Matthews coefficientSolvent content
2.4249.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.784α = 90
b = 67.784β = 90
c = 154.503γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152017-06-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.97919APS24-ID-E

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)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
12.0219.5799.60.1120.0470.99714.26.52774638.57
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.022.07971.6860.7170.536.1

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-FreeMean Isotropic B
X-RAY DIFFRACTIONSADFREE R-VALUE2.0219.5727680138599.620.18850.18720.212946.06
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]
RMS Deviations
KeyRefinement Restraint Deviation
GEOSTD + MON.LIB. + CDL v1.2
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2841
Nucleic Acid Atoms
Solvent Atoms181
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Cootmodel building
PHENIXphasing
Aimlessdata scaling