4P29

Crystal structure of the LpoA N-terminal domain from Haemophilus influenzae


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5295Drop contained 2 microliters protein and 2 microliters precipitant, and reservoir contained 1 ml of precipitant. Protein:10 mg/ml SeMet-containing LpoA(33-253) in 20 mM Tris-HCl pH 8.0, 0.1 % beta-mercaptoethanol, 1 mM EDTA, 0.1 mM benzamidine. Precipitant: 0.1 M MES pH 6.5, 0.2 M ammonium sulfate, 30% polyethylene monomethyl ether 5000. Cryoprotectant: 10% glycerol in precipitant solution
Crystal Properties
Matthews coefficientSolvent content
2.3146.82

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.03α = 90
b = 51.18β = 90
c = 198.61γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray165CCDMARMOSAIC 225 mm CCD2003-11-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 5ID-B0.97930APS5ID-B

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
11.9543.2498.80.07410.45.426896968183
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)
11.952.021000.393.14.71

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMIRFREE R-VALUE1.9500647503240.49119515551.4017659184467992346898.65780576640.1855411945820.18374572670.218489952193Random62.436614756
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
f_dihedral_angle_d14.0187120549
f_angle_d0.719953716498
f_chiral_restr0.0299184064662
f_bond_d0.00485334397154
f_plane_restr0.00316959475148
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3418
Nucleic Acid Atoms
Solvent Atoms243
Heterogen Atoms28

Software

Software
Software NamePurpose
PHENIXrefinement
d*TREKdata scaling
SOLVEphasing
RESOLVEmodel building