3IFN

X-ray structure of amyloid beta peptide:antibody (Abeta1-40:12A11) complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5295Protein: 5.3 mg/ml, 10 mM Hepes, pH 7.5, 75 mM NaCl. Protein:peptide molar ratio: 1:4.5. Reservoir: 0.2M NaCl, 25% Peg 4K, 0.1M Hepes pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.0941.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.99α = 90
b = 87.01β = 95.77
c = 58.99γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152007-08-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.21.0000ALS8.2.2

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
11.558.6950.0467740

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 REPLACEMENT1.558.6951.4267712344098.150.18830.1870.211720.925
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]
-0.320.1235.135-4.815
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.639
f_angle_d0.994
f_chiral_restr0.063
f_bond_d0.005
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3389
Nucleic Acid Atoms
Solvent Atoms470
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement