4EHW

Crystal structure of LpxK from Aquifex aeolicus at 2.3 angstrom resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1sitting drop, vapor diffusion7.5293The reservoir solution contained 60% MPD and 0.1 M Hepes pH 7.5. The drop contained ~3-4 mg/ml protein, 36% MPD, 60 mM Hepes pH 7.5, 10 mM Hepes pH 8.0, 0.3 M NaCl, 8% glycerol, 0.8 mM DTT, and ~0.1% DDM, sitting drop, vapor diffusion, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
4.5873.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 101.191α = 90
b = 101.191β = 90
c = 131.904γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++2010-10-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.54

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
12.348.5799.80.07713.812.27311213107422
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)
12.32.381000.5092.810.833054

Refinement

Statistics
Diffraction IDStructure Solution 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 DIFFRACTIONSAD2.325.8733107429334294894.420.23160.2280.2632RANDOM69.6289
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]
2.90152.9015-5.803
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.001
f_angle_d1.095
f_chiral_restr0.075
f_bond_d0.007
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2527
Nucleic Acid Atoms
Solvent Atoms89
Heterogen Atoms68

Software

Software
Software NamePurpose
d*TREKdata reduction
PHENIXrefinement
PDB_EXTRACTdata extraction
StructureStudiodata collection
d*TREKdata scaling
SOLVEphasing