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Crystal structure of a TCR in complex with HLA-A*11:01 bound to KRAS peptide (VVGAVGVGK)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6UON experimental model PDB 6DFV experimental model PDB 6OVN experimental model PDB 7Z50
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 291.15 1.0 M Ammonium citrate tribasic pH 7.0, 0.1 M BIS-TRIS propane pH 7.0
Crystal Properties Matthews coefficient Solvent content 4.79 74.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 156.864 α = 77.37 b = 156.889 β = 78.13 c = 191.966 γ = 82.27
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 PILATUS 6M 2021-02-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL19U1 0.97918 SSRF BL19U1
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 3.34 50 99 0.199 6.609 3.5 249244 79.13
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 3.35 3.47 0.814
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 6UON, 6DFV, 6OVN, 7Z50 3.34 49.82 1.96 233409 11615 92.3 0.226 0.2243 0.2243 0.2575 0.2575 88.58
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 10.453 f_angle_d 0.428 f_chiral_restr 0.0406 f_plane_restr 0.0033 f_bond_d 0.0016
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 65732 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose HKL-2000 data reduction PHENIX refinement Coot model building HKL-2000 data scaling MOLREP phasing