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  • Title: [Ligands with specific affinity to a specific sequence of DNA base pairs. XI. The synthesis and binding to DNA of bis-netropsins with the C-ends of their netropsin fragments tethered by tetra- or pentamethylene linkers].
    Author: Grokhovskiĭ SL, Nikolaev VA, Gottikh BP, Zhuze AL.
    Journal: Bioorg Khim; 2002; 28(6):502-17. PubMed ID: 12528463.
    Abstract:
    Bis-Netropsins with the C-ends of their netropsin fragments tethered via tetra- or pentamethylene linkers and with Gly or L-Lys-Gly residues on their N-ends were synthesized. The footprinting technique was used to study the specificity of bis-netropsin binding to the specially constructed DNA fragments containing various clusters of A.T pairs. It was found that the linker length affects the binding of bis-netropsins, with the tetramethylene linker providing better protection than the pentamethylene linker. It was shown that the newly synthesized bis-netropsins bind tighter to the 5'-A4T(4)-3' sequence, whereas the bis-netropsin with a linker between the netropsin N-ends binds better to 5'-T4A(4)-3' sequences. The English version of the paper: Russian Journal of Bioorganic Chemistry, 2002, vol. 28, no. 6; see also http://www.maik.ru.
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