X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5298PEG3350, 25mM MES , pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.5752.14

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.708α = 90
b = 84.469β = 92.13
c = 121.336γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4Bent Cylinder, 1:1 defocused rhodium-coated electroless nickel-plated bent aluminum cylinder2001-10-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X12B1.01715NSLSX12B

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
123099.90.07428.57.5122580121366
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)
122.0599.90.5783.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTClass I MHC, PDB ENTRY 1B0G. TCR, PDB ENTRY 2CKB230122580121366642199.990.230.220580.218870.25293RANDOM14.229
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]
1.180.980.59-1.69
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg16.406
r_dihedral_angle_1_deg4.288
r_sphericity_free3.612
r_scangle_it2.228
r_scbond_it1.507
r_angle_refined_deg1.435
r_sphericity_bonded1.083
r_mcangle_it1.067
r_rigid_bond_restr0.902
r_angle_other_deg0.811
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg16.406
r_dihedral_angle_1_deg4.288
r_sphericity_free3.612
r_scangle_it2.228
r_scbond_it1.507
r_angle_refined_deg1.435
r_sphericity_bonded1.083
r_mcangle_it1.067
r_rigid_bond_restr0.902
r_angle_other_deg0.811
r_mcbond_it0.658
r_symmetry_hbond_other0.532
r_symmetry_hbond_refined0.371
r_xyhbond_nbd_other0.357
r_symmetry_vdw_refined0.334
r_symmetry_vdw_other0.328
r_nbd_refined0.284
r_nbd_other0.229
r_xyhbond_nbd_refined0.188
r_chiral_restr0.09
r_nbtor_other0.065
r_gen_planes_other0.049
r_bond_refined_d0.012
r_gen_planes_refined0.008
r_bond_other_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13136
Nucleic Acid Atoms
Solvent Atoms416
Heterogen Atoms

Software

Software
Software NamePurpose
HKL-2000data collection
SCALEPACKdata scaling
AMoREphasing
REFMACrefinement
HKL-2000data reduction