6EI2

Crystal Structure of HLA-A68 presenting a C-terminally extended peptide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.529812% PEG3350 0.005M cobalt chloride 0.005M cadmium chloride 0.005M nickel chloride 0.005M magnesium chloride 0.1M HEPES pH 7.5
Crystal Properties
Matthews coefficientSolvent content
2.9358.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.061α = 90
b = 80.247β = 90
c = 110.88γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2017-05-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I240.96864DiamondI24

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)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
11.6129.53199.90.0940.1030.0411.36.66884668846
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.611.799.50.6020.6020.6540.2531.36.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTEnsemble of 4HWZ, 5T6X, 4RMU, 4HWZ1.6129.5366856191799.810.15860.15790.1814RANDOM20.343
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]
-0.210.090.13
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.837
r_dihedral_angle_4_deg18.963
r_dihedral_angle_3_deg11.428
r_dihedral_angle_1_deg6.619
r_angle_refined_deg1.714
r_angle_other_deg1.035
r_chiral_restr0.116
r_bond_refined_d0.016
r_gen_planes_refined0.009
r_bond_other_d0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.837
r_dihedral_angle_4_deg18.963
r_dihedral_angle_3_deg11.428
r_dihedral_angle_1_deg6.619
r_angle_refined_deg1.714
r_angle_other_deg1.035
r_chiral_restr0.116
r_bond_refined_d0.016
r_gen_planes_refined0.009
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3131
Nucleic Acid Atoms
Solvent Atoms442
Heterogen Atoms29

Software

Software
Software NamePurpose
SCALAdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
SCALAdata reduction