3BH8

Crystal Structure of RQA_M Phosphopeptide Bound to HUMAN Class I MHC HLA-A2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529817% PEG 8000, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.5551.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 112.6α = 90
b = 55.1β = 103.5
c = 75.9γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDSATURN2007-04-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5417

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.620900.03926.79753891-325.593
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)
1.61.767.60.7032.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.6519.7250642256092.890.2020.20.231RANDOM18.944
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]
0.05-0.08-0.03-0.06
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.104
r_dihedral_angle_4_deg20.23
r_dihedral_angle_3_deg12.627
r_dihedral_angle_1_deg5.777
r_scangle_it3.412
r_scbond_it2.233
r_mcangle_it1.405
r_angle_refined_deg1.34
r_mcbond_it0.918
r_nbtor_refined0.293
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.104
r_dihedral_angle_4_deg20.23
r_dihedral_angle_3_deg12.627
r_dihedral_angle_1_deg5.777
r_scangle_it3.412
r_scbond_it2.233
r_mcangle_it1.405
r_angle_refined_deg1.34
r_mcbond_it0.918
r_nbtor_refined0.293
r_nbd_refined0.195
r_symmetry_vdw_refined0.164
r_symmetry_hbond_refined0.152
r_xyhbond_nbd_refined0.126
r_chiral_restr0.095
r_bond_refined_d0.014
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3166
Nucleic Acid Atoms
Solvent Atoms368
Heterogen Atoms8

Software

Software
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
MOLREPphasing