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Crystal Structure of the cross-restricted T18A TCR and HLAB4201 bound to HIV-1 Gag TL9 peptide
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4U1J 4u1j, 4GG6, 4UDT experimental model PDB 4GG6 4u1j, 4GG6, 4UDT experimental model PDB 4UDT 4u1j, 4GG6, 4UDT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 298.15 0.1 M SPG pH 7.0, 25 % w/v PEG 1500
Crystal Properties Matthews coefficient Solvent content 3.25 62.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 96.992 α = 90 b = 96.992 β = 90 c = 263.839 γ = 90
Symmetry Space Group P 43 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 95 CCD ADSC QUANTUM 315 2020-11-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL19U1 0.9790 SSRF BL19U1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.6279 47.7 100 0.03554 0.999 14.76 6.5 38478 48.47
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.628 2.722 0.2992 0.919
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 4u1j, 4GG6, 4UDT 2.63 47.7 1.34 38425 1998 99.83 0.2102 0.2074 0.2071 0.2607 0.2608 58.14
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 5.4807 f_angle_d 0.6751 f_chiral_restr 0.0456 f_plane_restr 0.0053 f_bond_d 0.0032
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6658 Nucleic Acid Atoms Solvent Atoms 116 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement MOSFLM data reduction Aimless data scaling PHASER phasing