A: hsRosR-DNA binding protein B: hsRosR-DNA binding protein C: hsRosR-DNA binding protein D: hsRosR-DNA binding protein E: DNA (28-MER) F: DNA (28-MER) G: DNA (28-MER) H: DNA (28-MER) hetero molecules
A: hsRosR-DNA binding protein B: hsRosR-DNA binding protein E: DNA (28-MER) F: DNA (28-MER) hetero molecules
defined by author
Evidence: SAXS, SAXS results indicating that one protein dimer bound a single sequence., gel filtration, The elution volume of the complex indicated that hsRosR binds one DNA molecule as a dimer., ...Evidence: SAXS, SAXS results indicating that one protein dimer bound a single sequence., gel filtration, The elution volume of the complex indicated that hsRosR binds one DNA molecule as a dimer., isothermal titration calorimetry, The binding stoichiometry was approximately one, indicating that one protein dimer bound a single sequence.
Mass: 18.015 Da / Num. of mol.: 51 / Source method: isolated from a natural source / Formula: H2O
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION / Number of used crystals: 1
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Sample preparation
Crystal
Density Matthews: 4.03 Å3/Da / Density % sol: 69.45 %
Crystal grow
Temperature: 293.15 K / Method: vapor diffusion, sitting drop / pH: 7 Details: The complex crystallized from a buffer containing 20 mM HEPES, pH 7, 2 M KCl and 0.02% azide, DNA/hsRosR ratio = 1.83. 2.96 M (NH4)2SO4, 30 mM MnCl2 and 0.02% azide.
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Data collection
Diffraction
Mean temperature: 100 K / Serial crystal experiment: N
Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
Wavelength: 0.976 Å / Relative weight: 1
Reflection
Resolution: 2.56→45.79 Å / Num. obs: 22780 / % possible obs: 84.4 % / Redundancy: 3.3 % / Rmerge(I) obs: 0.089 / Net I/σ(I): 7.4
Reflection shell
Resolution: 2.56→2.839 Å
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Processing
Software
Name
Version
Classification
PHENIX
(1.14_3260: ???)
refinement
XDS
datareduction
Aimless
datascaling
STARANISO
datascaling
PHASER
phasing
Refinement
Method to determine structure: MOLECULAR REPLACEMENT Starting model: The starting model for molecular replacement was VNG0258H/RosR (from KCl; PDB code 6FDH) and a DNA model derived from Mycobacterium tuberculosis MosR (PDB code 4FX4) but with the SG sequence.