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  • Title: Molecular crowding of the cosolutes induces an intramolecular i-motif structure of triplet repeat DNA oligomers at neutral pH.
    Author: Rajendran A, Nakano S, Sugimoto N.
    Journal: Chem Commun (Camb); 2010 Feb 28; 46(8):1299-301. PubMed ID: 20449283.
    Abstract:
    We now present the first example in which triplet repeat DNAs adopt the i-motif structure at neutral pH by molecular crowding. Crowding stabilized the i-motif and the pK(a) of N3 of cytosine was raised in such a microenvironment. Molecular crowding is known to accelerate the formation of the multi-stranded i-motif while the triplet repeats adopt the single-strand structure.
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