3UO1

Structure of a monoclonal antibody complexed with its MHC-I antigen


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5277antibody at 6.8 mg/ml mixed with equimolar peptide and then 1:1 with 0.1 M LiSO4, 0.1 M TRIS, 30% w/v PEG 3000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K
Crystal Properties
Matthews coefficientSolvent content
2.3347.12

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 192.583α = 90
b = 40.291β = 102.89
c = 59.353γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDADSC QUANTUM 315r2010-11-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A1.07500NSLSX29A

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
11.6446.9354890

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-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1.6411.3454694277699.770.18610.1850.2056RANDOM
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]
3.87473.8943-3.0039-0.8708
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.97
f_angle_d1.046
f_chiral_restr0.072
f_bond_d0.006
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3386
Nucleic Acid Atoms
Solvent Atoms478
Heterogen Atoms5

Software

Software
Software NamePurpose
ADSCdata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
SCALEPACKdata scaling