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Shape effects on the activity of synthetic major-groove binding ligands
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Khalid, Syma, Hannon, M. J. (Michael J.), Rodger, Alison and Rodger, P. Mark (2007) Shape effects on the activity of synthetic major-groove binding ligands. Journal of Molecular Graphics and Modelling, Vol.25 (No.6). pp. 794-800. doi:10.1016/j.jmgm.2006.07.004
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Official URL: http://dx.doi.org/10.1016/j.jmgm.2006.07.004
Abstract
In this work we present the results of a molecular simulation study of two different tetracationic bis iron(II) supramolecular cylinders interacting with DNA. One cylinder has been shown to bind in the major groove of DNA and to induce dramatic coiling of the DNA; the second is a derivative of the first, with additional methyl groups attached so as to give a larger cylinder-radius. The simulations show that both cylinders bind strongly to the major groove of the DNA, and induce complex structural changes in A-T rich regions. Whereas the parent cylinder tends to bind along the major groove, the derivatised cylinder tends to twist so that only one end remains within the major groove. Both G-C rich and A-T rich binding sites for the derivatised cylinder are discussed. (c) 2006 Elsevier Inc. All rights reserved.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software Q Science > QD Chemistry Q Science > QH Natural history > QH301 Biology |
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| Divisions: | Faculty of Science > Chemistry | ||||
| Journal or Publication Title: | Journal of Molecular Graphics and Modelling | ||||
| Publisher: | Elsevier Science Inc. | ||||
| ISSN: | 1093-3263 | ||||
| Official Date: | March 2007 | ||||
| Dates: |
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| Volume: | Vol.25 | ||||
| Number: | No.6 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | pp. 794-800 | ||||
| DOI: | 10.1016/j.jmgm.2006.07.004 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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