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Nonstandard peptide binding of HLA-B*5101 complexed with HIV immunodominant epitope KM1(LPPVVAKEI)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other HLA B53
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 pH 6.50
Crystal Properties Matthews coefficient Solvent content 2.59 52.54
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.8 α = 90 b = 82.3 β = 90 c = 111 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX9.6 SRS PX9.6
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.2 25 99 0.091 40.3 3.2 153441 13.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.28 92.7 0.215 15.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT HLA B53 2.2 25 23600 1215 98.3 0.199 0.199 0.255 RANDOM 22.3
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] -1.94 -2.97 4.91
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.1 c_angle_deg 1.2 c_improper_angle_d 0.71 c_bond_d 0.005 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.1 c_angle_deg 1.2 c_improper_angle_d 0.71 c_bond_d 0.005 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3160 Nucleic Acid Atoms Solvent Atoms 394 Heterogen Atoms
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing