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Binding of meso-tetra (4-N-methylpyridyl) porphine to DNA.

The porphyrin photosensitizer, meso-Tetra (4-N-methyl-pyridyl) porphine tetraperchlorate is shown to unwind supercoiled ColEI DNA at a somewhat lower concentration than ethidium bromide. In contrast to this, the Fe(III) chelate of T4MPyP cannot unwind supercoiled DNA. It is concluded that these resu...

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Autors principals: Fiel, R J, Munson, B R
Format: Artigo
Idioma:Inglês
Publicat: 1980
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC324124/
https://ncbi.nlm.nih.gov/pubmed/7001358
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