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CRYSTAL STRUCTURE OF A TRUNCATED FORM OF THREONYL-TRNA SYNTHETASE WITH THE LIGAND THREONINE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 277 PEG 4000, ammonium acetate, magnesium chloride , pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.93 57.95
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 107.05 α = 90 b = 117.34 β = 90 c = 87.08 γ = 90
Symmetry Space Group P 21 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 120 IMAGE PLATE MARRESEARCH 1999-06-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B EMBL/DESY, HAMBURG BW7B
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 2 12 98.2 0.039 18.7 3.87 74430 73054 24.9
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) 2 2.05 95.4 0.297 3.3 4659
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION THROUGHOUT 2 12 2 74430 66317 3373 89.1 0.2204 0.2138 0.212 0.2191 0.241 0.2476 RANDOM 37.6
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] 2.8 -5.32 2.52
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.2 c_scangle_it 3.29 c_scbond_it 2.29 c_mcangle_it 2.06 c_angle_deg 1.4 c_mcbond_it 1.38 c_improper_angle_d 0.86 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6546 Nucleic Acid Atoms Solvent Atoms 478 Heterogen Atoms 10
Software Software Software Name Purpose AMoRE phasing CNS refinement DENZO data reduction SCALEPACK data scaling