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Crystal structure of E coli Hfq bound to poly(A) A7
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 7.9 283 200 mM NH4Ac, 100 Tris, 26% 2-propanol, pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 283K
Crystal Properties Matthews coefficient Solvent content 2.16 43.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 103.99 α = 90 b = 40.71 β = 101.36 c = 100.85 γ = 90
Symmetry Space Group C 1 2 1
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 MARMOSAIC 225 mm CCD 2010-02-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL17U 0.9793 SSRF BL17U
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1.7 98.874 99.2 0.059 12.1 3.6 45603 45603 2 2 35
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.7 1.79 100 0.214 0.214 3.5 3.7 6644
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1HK9 1.9 98.87 6.2 33093 32695 1651 98.81 0.269 0.1917 0.1895 0.2071 0.2314 0.2479 RANDOM 33.147
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] 1.59 0.12 0.13 -1.67
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.062 r_dihedral_angle_4_deg 18.763 r_dihedral_angle_3_deg 13.42 r_dihedral_angle_1_deg 6.076 r_scangle_it 2.587 r_scbond_it 1.651 r_angle_refined_deg 1.345 r_mcangle_it 1.075 r_mcbond_it 0.611 r_chiral_restr 0.091
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.062 r_dihedral_angle_4_deg 18.763 r_dihedral_angle_3_deg 13.42 r_dihedral_angle_1_deg 6.076 r_scangle_it 2.587 r_scbond_it 1.651 r_angle_refined_deg 1.345 r_mcangle_it 1.075 r_mcbond_it 0.611 r_chiral_restr 0.091 r_bond_refined_d 0.012 r_gen_planes_refined 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2764 Nucleic Acid Atoms 282 Solvent Atoms 180 Heterogen Atoms
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection