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EnglishWe report the chiroptical signature and binding interactions of cationic (meso-tetrakis(4-N-methylptridyl) porphyrin, 2HT4) and anionic (meso-tetrakis(4-sulfonatophenyl)porphyrin, 2HTPPS) porphyrins and their zinc(II) and nickel(II) derivatives (ZnT4, ZnTPPS, NiT4, and NiTPPS) with right-handed B-form and two forms of left-handed Z-form of alternating guanine-cytosine polydeoxynucleotide poly(dG-dC)(2). NiTPPS is able to spectroscopically discriminate between spermine-induced Z-DNA and Co(III)-induced Z-DNA via new induced circular dichroism signal in the visible region of the electromagnetic spectrum. (c) 2013 Elsevier Inc. All rights reserved.
| Titolo: | Chiroptical properties of anionic and cationic porphyrins and metalloporphyrins in complex with left-handed Z-DNA and right-handed B-DNA |
| Autori interni: | |
| Data di pubblicazione: | 2013 |
| Rivista: | |
| Abstract: | We report the chiroptical signature and binding interactions of cationic (meso-tetrakis(4-N-methylptridyl) porphyrin, 2HT4) and anionic (meso-tetrakis(4-sulfonatophenyl)porphyrin, 2HTPPS) porphyrins and their zinc(II) and nickel(II) derivatives (ZnT4, ZnTPPS, NiT4, and NiTPPS) with right-handed B-form and two forms of left-handed Z-form of alternating guanine-cytosine polydeoxynucleotide poly(dG-dC)(2). NiTPPS is able to spectroscopically discriminate between spermine-induced Z-DNA and Co(III)-induced Z-DNA via new induced circular dichroism signal in the visible region of the electromagnetic spectrum. (c) 2013 Elsevier Inc. All rights reserved. |
| Handle: | http://hdl.handle.net/20.500.11769/253044 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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