3L3K

Crystal structure of HLA-B*4402 in complex with the R5A/F7A double mutant of a self-peptide derived from DPA*0201


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.52930.1M tri-sodium citrate dihydrate, 12-30% PEG 4000, 0.2M ammonium acetate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.5451.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.581α = 90
b = 82.084β = 90
c = 109.23γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42002-11-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-BM-CAPS14-BM-C

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
12.565.693.60.13210.62.7158751587511
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)
12.52.671.30.2453

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 REPLACEMENTTHROUGHOUTPDB ENTRY 1M6O2.6251271512715143097.260.217340.217340.210750.27528RANDOM10.712
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]
-0.36-3.463.82
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.043
r_dihedral_angle_4_deg14.556
r_dihedral_angle_3_deg13.326
r_dihedral_angle_1_deg4.761
r_angle_refined_deg0.861
r_scangle_it0.685
r_scbond_it0.382
r_mcangle_it0.261
r_mcbond_it0.134
r_chiral_restr0.059
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.043
r_dihedral_angle_4_deg14.556
r_dihedral_angle_3_deg13.326
r_dihedral_angle_1_deg4.761
r_angle_refined_deg0.861
r_scangle_it0.685
r_scbond_it0.382
r_mcangle_it0.261
r_mcbond_it0.134
r_chiral_restr0.059
r_bond_refined_d0.005
r_gen_planes_refined0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3121
Nucleic Acid Atoms
Solvent Atoms142
Heterogen Atoms6

Software

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