SAXS data from solutions of the adenylation domain of DNA ligase A in 50 mM Tris-HCl 200 mM NaCl 2 mM β-mercaptoethanol, pH 8 were collected using an Anton Paar SAXSpace at the CSIR-Central Drug Research Institute (Lucknow India) with a Mythen2 R 1K detector at a sample-detector distance of 0.3 m and at a wavelength of λ = 0.154 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One solute concentration of 12.50 mg/ml was measured at 10°C. Two successive 1800 second frames were collected. The data were normalized to the intensity of the transmitted beam and radially averaged; the scattering of the solvent-blank was subtracted.
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