1MUJ

Crystal structure of murine class II MHC I-Ab in complex with a human CLIP peptide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5295.5PEG3000, Sodium Chloride, Tris, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295.5K
Crystal Properties
Matthews coefficientSolvent content
2.4249.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 63.647α = 90
b = 88.065β = 92.48
c = 83.74γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95IMAGE PLATEMAR scanner 300 mm plate2001-02-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL11-1SSRLBL11-1

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
12.1533.06980.03824.11.8724657-332.6
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)
12.152.23970.157230.5441.651.832403

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.1533.062514422763109090.50.220.220.220.246RANDOM62.36
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]
-12.481.3510.062.42
RMS Deviations
KeyRefinement Restraint Deviation
x_torsion_deg26.4
x_improper_angle_d26.4
x_angle_deg1.4
x_dihedral_angle_d1.4
x_torsion_impr_deg0.79
x_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3112
Nucleic Acid Atoms
Solvent Atoms171
Heterogen Atoms28

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing