☰ Navigation Tabs
Crystal structure of the Hfq protein from Escherichia coli
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1KQ1 PDB ENTRY 1KQ1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 4.6 293 CRYSTALS WERE OBTAINED BY VAPOR DIFFUSION IN 2UL SITTING DROPS. THE RESERVOIR CONTAINED 25% PEG 4000, 0.2 M NH4-ACETATE AND 0.2 M NA-ACETATE PH 4.6. CRYSTALLIZATION WERE CARRIED OUT AT 20C.
Crystal Properties Matthews coefficient Solvent content 1.83 33
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.35 α = 90 b = 61.35 β = 90 c = 166.1 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 110 CCD MARRESEARCH 2002-07-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ELETTRA BEAMLINE 5.2R ELETTRA 5.2R
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 2.15 47 100 0.098 12.9 7.2 19211 18.5
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 2.15 2.21 96.5 0.27 4.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1KQ1 2.15 20 19131 1615 99.8 0.208 0.208 0.2039 0.262 0.2577 RANDOM 20.7
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] -4.57 1.7 -4.57 9.14
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.4 c_scangle_it 4.55 c_scbond_it 3.11 c_mcangle_it 2.79 c_mcbond_it 1.85 c_angle_deg 1.6 c_improper_angle_d 1.02 c_bond_d 0.01 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.4 c_scangle_it 4.55 c_scbond_it 3.11 c_mcangle_it 2.79 c_mcbond_it 1.85 c_angle_deg 1.6 c_improper_angle_d 1.02 c_bond_d 0.01 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3104 Nucleic Acid Atoms Solvent Atoms 136 Heterogen Atoms
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing