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Crystal structure of HLA B*18:01 in complex with QEIRTFSF, an 8-mer epitope from Influenza A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6MT3
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 0.2 M Lithium Acetate, 20% w/v PEG 3350, and 10 mM MgCl2
Crystal Properties Matthews coefficient Solvent content 2.54 51.54
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.763 α = 90 b = 81.269 β = 90 c = 109.89 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 PIXEL DECTRIS EIGER X 16M 2022-07-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX2 0.9536 Australian Synchrotron MX2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) 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 1.15 46.08 98.7 0.999 13.3 7.4 159264 12.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.15 1.17 0.8 2.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1.15 46.08 1.34 159183 7853 98.54 0.1538 0.1531 0.1531 0.1676 0.1676 17.74
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.7391 f_angle_d 0.7828 f_chiral_restr 0.081 f_plane_restr 0.0082 f_bond_d 0.0043
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3149 Nucleic Acid Atoms Solvent Atoms 520 Heterogen Atoms 15
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing