Article
Sequence-dependent variation in DNA minor groove width dictates orientational preference of Hoechst 33258 in A-tract recognition: solution NMR structure of the 2:1 complex with d(CTTTTGCAAAAG)(2).
Nucleic acids research - 1 Feb 2000
Gavathiotis E, Sharman G J, Searle M S
Abstract excerpt
The solution structure of the dodecamer duplex d(CTTTTGCAAAAG)(2)and its 2:1 complex with the bis -benzimidazole Hoechst 33258 has been investigated by NMR and NOE-restrained molecular dynamics (rMD) simulations. Drug molecules are bound in each of the two A-tracts with the bulky N-methylpiperazine ring of each drug located close to the central TG (CA) step, binding essentially to the narrow minor groove of each...
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