4HX1

Structure of HLA-A68 complexed with a tumor antigen derived peptide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5291100mM Tris, 8% PEG8000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.5752.06

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 129.237α = 90
b = 37.857β = 120.04
c = 108.323γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayIMAGE PLATERIGAKU RAXIS IV++2012-05-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL17U0.97930SSRFBL17U

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
11.85095.4410162221.59
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.8699.90.2710.2714.9064155862

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 (All)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1.80231.4611.3440466205395.210.22610.19180.190.226129.0756
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]
2.0051-9.41750.3305-2.3355
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.407
f_angle_d0.958
f_chiral_restr0.069
f_bond_d0.005
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3154
Nucleic Acid Atoms
Solvent Atoms380
Heterogen Atoms6

Software

Software
Software NamePurpose
HKL-2000data collection
CNSrefinement
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing