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TFH TCR bound to MHC Class II IAd presenting aggrecan epitope
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IAO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 293.15 0.1M Sodium Cacodylate pH6.0
15% w/v PEG4000
Crystal Properties Matthews coefficient Solvent content 3.23 61.93
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 102.562 α = 90 b = 102.562 β = 90 c = 195.695 γ = 120
Symmetry Space Group P 31 2 1
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 2020-06-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX2 0.9537 Australian Synchrotron MX2
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 2.9 49.61 100 0.163 0.996 9.6 11.2 27175 84.7305946915
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 2.9 3.08 1.209 0.721
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 1iao 2.90006610312 49.6061030837 1.33788053909 27126 1359 99.9742011573 0.238629382303 0.237312668179 0.2406 0.264506084445 0.2691 100.950775646
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 15.5206488943 f_angle_d 0.556779257177 f_chiral_restr 0.0437906465098 f_plane_restr 0.00389299231171 f_bond_d 0.00230910723884
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6045 Nucleic Acid Atoms Solvent Atoms 7 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing