Helix formation of poly(L-ornithine) in decyl and dodecyl sulfate solutions.
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概要
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Structural changes in poly(L-ornithine)[(Orn)<I><SUB>n</SUB></I>] were studied in solutions of sodium decyl sulfate (NaDecSO<SUB>4</SUB>) by the curve-fitting method of circular dichroism. In the NaDecSO<SUB>4</SUB> concentration range from 4 to 9 mmol dm<SUP>−3</SUP>, only the β-structure was found. Below and above this concentration range, however, the α-helical structure was formed slightly, its fraction being less than 20%. The addition of 1-octanol enhanced the helix formation in the (Orn)<I><SUB>n</SUB></I>–NaDecSO<SUB>4</SUB> complex.
- 公益社団法人 日本化学会の論文
著者
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Takeda Kunio
Department of Applied Chemistry and Biotechnology, Okayama Univ. of Science
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Yamamoto Kazuo
Department Of Biomolecular Sciences Graduate School Of Life Sciences Tohoku University
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