5JT8

Structural basis for the limited antibody cross reactivity between the mite allergens Blo t 1 and Der p 1


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION294single crystals were obtained with drops containing 4 ul sample solution containing 1 mg/ml rproBlo t 1, 0.5 mM YCl3, and 10 mM Tris-HCl pH 8.0, and 2 ul reservoir solution containing 4% w/v PEG-6000, 0.1 M Na-HEPES pH 6.6 and 0.8 M LiNO3
Crystal Properties
Matthews coefficientSolvent content
2.346.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 117.412α = 90
b = 117.412β = 90
c = 132.364γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDMAR CCD 165 mm2006-05-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-10.933ESRFID14-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.155.48610028.817.279280

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1XKG2.155.4681.0679280398199.80.17280.17040.2168
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_d16.309
f_angle_d1.029
f_chiral_restr0.045
f_bond_d0.008
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5068
Nucleic Acid Atoms
Solvent Atoms306
Heterogen Atoms70

Software

Software
Software NamePurpose
PHENIXrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing