4GRL

Crystal structure of a autoimmune TCR-MHC complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1hanging drop vapor diffusion6.12950.1% Ammonium sulphate, 12% peg 6000, 0.1M Sodium citrate, pH 6.1, hanging drop vapor diffusion, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
3.1560.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.011α = 90
b = 125.583β = 90
c = 134.794γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDADSC QUANTUM 3152011-04-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.978APS24-ID-E

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.865099.30.08116.8432941292672.1
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.862.961000.8252.14.1

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 REPLACEMENT2.8636.6011.3528869143299.290.20440.20160.256452.9383
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_d16.196
f_angle_d1.279
f_chiral_restr0.089
f_bond_d0.009
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6399
Nucleic Acid Atoms
Solvent Atoms35
Heterogen Atoms14

Software

Software
Software NamePurpose
SCALAdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
XDSdata reduction
PHASERphasing