☰ Navigation Tabs
Crystal structure of the bacterial ribosome from Escherichia coli at 3.5 A resolution.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1PNS pdb entries 1PNS, 1PNU experimental model PDB 1PNU pdb entries 1PNS, 1PNU
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 batch 7.5 277 MPD, PEG 8000, MgCl2, NH4Cl, spermine, spermidine, TRIS, EDTA, pH 7.5, batch, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.41 66.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 208.85 α = 90 b = 379.2 β = 90 c = 739.3 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 CCD ADSC QUANTUM 315 2004-01-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 12.3.1 ALS 12.3.1
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 3.46 70 92.3 0.145 7.4 6.2 693093 -3 58.1
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 3.46 3.55 87.9 0.594 2
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT pdb entries 1PNS, 1PNU 3.46 70 756754 692904 91.6 0.279 0.2606 0.331 0.3055 random 5% 58.688
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 c_angle_deg 1.155 c_bond_d 0.0047
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 18538 Nucleic Acid Atoms 32831 Solvent Atoms 300 Heterogen Atoms 60
Software Software Software Name Purpose CNS refinement PDB_EXTRACT data extraction PHASER phasing DENZO data reduction SCALEPACK data scaling