4J4P

The complex of human IgE-Fc with two bound Fab fragments


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18291PEG 3350, sodium citrate, bis-tris propane, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.6653.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.59α = 90
b = 100.81β = 90
c = 219.68γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6M2012-02-12SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I030.97630DiamondI03

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
12.9167.0299.80.05518.434191087.86
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)
12.912.9899.20.79636

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 REPLACEMENT2.9167.021.3441910211599.70.2390.2360.284104.76
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]
-16.46097.37799.083
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d20.466
f_angle_d1.568
f_chiral_restr0.106
f_bond_d0.01
f_plane_restr0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11539
Nucleic Acid Atoms
Solvent Atoms41
Heterogen Atoms122

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
xia2data reduction
xia2data scaling
PHASERphasing