6DIG

Crystal structure of DQA1*01:02/DQB1*06:02 in complex with a hypocretin peptide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP293Protein at 10mg/ml in PBS pH 7.4 mixed 50/50 mix (v/v) with16% PEG8K, 0.1M Mg Acetate, 0.1M glycine pH 4.5
Crystal Properties
Matthews coefficientSolvent content
2.6253.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 63.666α = 90
b = 89.596β = 99.517
c = 90.928γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX300HE2016-02-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 31-ID0.97931APS31-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rrim I (All)CC (Half)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
124599.520.0690.9945.683.83390626.49
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.07298.880.5960.8131.223.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTFREE R-VALUE1UVQ244.841.3333906171199.540.21780.21590.254640.25
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.4047
f_angle_d1.3478
f_chiral_restr0.0615
f_plane_restr0.0121
f_bond_d0.0116
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3022
Nucleic Acid Atoms
Solvent Atoms272
Heterogen Atoms64

Software

Software
Software NamePurpose
phenix.refinerefinement
PHENIXrefinement
xia2data reduction
SCALAdata scaling
PHASERphasing