Studies on DNA interaction with manganese ions by IR spectroscopy

Kornilova, S. A. and Kapinos, L. E. and Blagoĭ, Iu. P.. (1993) Studies on DNA interaction with manganese ions by IR spectroscopy. Molekulyarnaya Biologiya, 27 (6). pp. 1276-1286.

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DNA complexed with Mn2+ ions in films is studied at different relative humidities and ion contents ([Mn2+]/[P] = 0.4-1) by IR spectroscopy. It is shown that substantially more absorbed water molecules are necessary for the transition of DNA complexed with Mn2+ ions into the double helical conformation (preferentially B-form) that for macromolecules in the absence of ions. DNA-Mn2+ complexes ([Mn2+]/[P] = 1) are able to bind more water molecules than DNA along at the same relative humidity. The results of the work evidence Mn2+ ion interaction with phosphates and nitrogen bases of the macromolecule: N7G, O6G.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Structural Biology & Biophysics > Nanobiology Argovia (Lim)
UniBasel Contributors:Kapinos Schneider, Larisa E. E
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Izdatel'stvo Nauka
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Nov 2017 10:40
Deposited On:22 Nov 2017 10:40

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