3L6F

Structure of MHC class II molecule HLA-DR1 complexed with phosphopeptide MART-1


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION6.529820% (w/v) PEG 8000 and 0.1 M sodium cacodylate, pH 6.5, EVAPORATION, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.7955.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.21α = 90
b = 135.45β = 90
c = 40.85γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152009-10-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29ANSLSX29A

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
12.143.221000.07451.314.23043730332
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.12.181000.465.214.3

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1T5W2.143.223043730332303999.70.21170.24940.043
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]
-1.148-7.9479.095
RMS Deviations
KeyRefinement Restraint Deviation
angles1.58076
bonds0.009665
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3144
Nucleic Acid Atoms
Solvent Atoms196
Heterogen Atoms

Software

Software
Software NamePurpose
HKL-2000data collection
PHASESphasing
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling