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Crystal structure of the Thermus thermophilus 70S ribosome in complex with protein Y, A-site deacylated tRNA analog CACCA, P-site MTI-tripeptidyl-tRNA analog ACCA-ITM, and chloramphenicol at 2.50A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4Y4O
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7.6 292 0.1-0.2 M Arginine-HCl, 0.1 M Tris-HCl, pH 7.6, 2.5% PEG20000, 7-12% MPD, 0.5 mM BME
Crystal Properties Matthews coefficient Solvent content 3.35 62.55
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 209.71 α = 90 b = 449.95 β = 90 c = 621.2 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 100 PIXEL DECTRIS EIGER2 X 16M S/N E-32-0124 2020-08-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.97895 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 2.5 224.98 98.5 0.16 0.18 0.99 8.41 4.62 1966210 49.27
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.5 2.56 93.1 1.472 1.685 0.16 0.85 3.866
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 4Y4O 2.5 224.98 1.33 1965432 98577 98.48 0.2315 0.2289 0.2301 0.2796 0.2802 50.7326
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 16.758 f_angle_d 0.886 f_chiral_restr 0.043 f_bond_d 0.005 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 93145 Nucleic Acid Atoms 193601 Solvent Atoms 8261 Heterogen Atoms 2626
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling PHASER phasing Coot model building PDB_EXTRACT data extraction