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The Crystal Structure of an Sm-like Archaeal Protein with Two Heptamers in the Asymmetric Unit.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1JBM PDB ENTRY 1JBM
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 292.8 0.1 M Tris, 10% v/v isopropanol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 19.8K
Crystal Properties Matthews coefficient Solvent content 2.08 40.74
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 40.371 α = 90 b = 114.698 β = 90 c = 238.6 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 110 CCD ADSC QUANTUM 4 fine-focussing mirrors 2001-04-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
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 2.8 100 99 0.112 19.3 11.5 28487 -3
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) 2.8 2.9 92.5 0.387 3.3 2645
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1JBM 2.8 14.95 26759 26759 1319 94.9 0.199 0.2149 0.291 RANDOM 5% of data over entire data range (100-2.8 A) 52.3
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_dihedral_angle_d 25.6 c_angle_deg 1.4 c_improper_angle_d 0.77 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8085 Nucleic Acid Atoms Solvent Atoms 86 Heterogen Atoms 55
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling EPMR phasing CNS refinement