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Crystal structure of Hfq riboregulator from E. coli (P6 space group)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1HK9 PDB ENTRY 1HK9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 CRYSTALS WERE OBTAINED BY VAPOR DIFFUSION IN 2UL HANGING DROPS AT 20C. THE RESERVOIR CONTAINED 1.6 M AMMONIUM SULFATE, 0.1 M TRIS-HCL PH 8.0.
Crystal Properties Matthews coefficient Solvent content 1.7 30
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.5 α = 90 b = 61.5 β = 90 c = 28.25 γ = 120
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 4 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 ESRF ID14-2
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 2.25 54 99 0.06 11.7 7.6 2979 -3 28.6
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 2.25 2.3 89.3 0.17 4.3
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) 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 PDB ENTRY 1HK9 2.252 53.261 2979 232 99.04 0.1881 0.1798 0.1745 0.2258 0.2118 27.9
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] -2.664 -2.664 5.3279
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.25 f_angle_d 1.164 f_chiral_restr 0.077 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 510 Nucleic Acid Atoms Solvent Atoms 11 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing