The synthesis of triplexes possessing an anthraquinonyl group and composed of branched oligonucleotides (ONs) is described. Binding ability of a triplex-binding protein (MBP-LOR3(ARF)) to the triplexes was evaluated by an electrophoretic mobility shift assay (EMSA). It was found that the triplex, which has an anthraquinonecarbonyl group at the 5'-end of the third strand and is connected with the pentaerythritol linker, has greater affinity to the protein than an unmodified triplex.
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| http://dx.doi.org/10.1016/j.bmcl.2005.11.036 | DOI Listing |
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