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Multiple binding modes with DNA of anthracene-9-carbonyl-N<sup>1</sup>-spermine probed by LD, CD, normal absorption, and molecular modelling compared with those of spermidine and spermine

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Adlam, Gareth
Blagbrough, Ian S.
Taylor, Steven
Latham, Harriet C.
Haworth, Ian S.
Rodger, Alison

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DNA groove-binding and intercalative binding modes of anthracene-9-carbonyl-N1-spermine have been probed using linear and circular dichroism, and normal absorption techniques. Despite its lower positive charge, anthracene-9-carbonyl-N1-spermine stabilises DNA more than does spermine and significantly more than spermidine. Data interpretation has been facilitated by molecular modelling.

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Bioorganic and Medicinal Chemistry Letters

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