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CRYSTAL STRUCTURE OF A VARIABLE DOMAIN MUTANT OF A T-CELL RECEPTOR ALPHA CHAIN
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other VALPHA WILDTYPE HOMODIMER STRUCTURE OF 1934.4 TCR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.7 PROTEIN WAS CRYSTALLIZED FROM 5.0M SODIUM FORMATE, PH 7.7 IN HANGING DROPS AT ROOM TEMPERATURE., vapor diffusion - hanging drop
Crystal Properties Matthews coefficient Solvent content 2.1 42
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 72.43 α = 90 b = 64.82 β = 90 c = 45.54 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 293 AREA DETECTOR SIEMENS COLLIMATOR 1995-11-19 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.12 26.41 78.2 0.105 0.105 6 3 9957 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.3 2.37 73 0.406 0.406 1.38 2.7
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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R VALPHA WILDTYPE HOMODIMER STRUCTURE OF 1934.4 TCR 2.3 8 2 7161 560 73.7 0.161 0.161 0.1848 0.279 RANDOM 24.1
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 x_dihedral_angle_d 26.8 x_angle_deg 1.76 x_improper_angle_d 1.32 x_bond_d 0.011 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 26.8 x_angle_deg 1.76 x_improper_angle_d 1.32 x_bond_d 0.011 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1710 Nucleic Acid Atoms Solvent Atoms 116 Heterogen Atoms
Software Software Software Name Purpose XENGEN21 data collection XENGEN21 data reduction AMoRE phasing X-PLOR refinement XENGEN data reduction XENGEN data scaling