DNA与一种寡肽（赖氨酸-酪氨酸-赖氨酸）相互作用的介电研究。
Dielectric study of the interaction between DNA and an oligopeptide (lysine-tyrosine-lysine).
作者信息
Rix-Montel M A, Grassi H, Vasilescu D
出版信息
Nucleic Acids Res. 1976 Apr;3(4):1001-11. doi: 10.1093/nar/3.4.1001.
Abstract
Interaction between Na-DNA and the oligopeptide lysine-tyrosine-lysine (LTL) is studied by a dielectric method. The comparison between conductivities (at the frequence of 5MHz) of LTL alone and of the complex LTL-DNA allows us to show up an electrostatic interaction between LTL and phosphates sites of DNA. During the formation of the complex LTL-DNA, a certain fraction of Na+ counter-ions is ejected from the phosphates sites.
摘要
通过介电方法研究了钠-DNA与寡肽赖氨酸-酪氨酸-赖氨酸（LTL）之间的相互作用。单独的LTL以及LTL-DNA复合物在5MHz频率下的电导率比较，使我们能够揭示LTL与DNA磷酸位点之间的静电相互作用。在LTL-DNA复合物形成过程中，一定比例的钠离子反离子从磷酸位点被逐出。
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