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. 2020 Jun 18;11:1253. doi: 10.3389/fmicb.2020.01253

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Copyright © 2020 Ithurbide, Coste, Lisboa, Eugénie, Bentchikou, Bouthier de la Tour, Liger, Confalonieri, Sommer, Quevillon-Cheruel and Servant.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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DNA binding analysis of DprA. Equilibrium binding of DprA to fluorescein-labeled dT20, dT50, or dT100 ssDNA (A) or 35-mer oligonucleotides of various GC content percentage (B). Fluorescence anisotropy variation with increasing concentrations of DprA fit to a single-ligand–binding model with SigmaPlot-calculated (apparent) K_d of 7.5, 1.2, and 1 μM for the three poly-dT, respectively.