Conformations of Sequential Polypeptides Containing L-Alanyl and Glycyl Residues
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概要
- 論文の詳細を見る
The conformations of four polypeptides containing ordered sequences of L-alanyl(A) and glycyl (G) residues, (A)<I><SUB>n</SUB></I>, (A<SUB>3</SUB>G)<I><SUB>n</SUB></I>, (A<SUB>2</SUB>G)<I><SUB>n</SUB></I>, and (AG<SUB>2</SUB>)<I><SUB>n</SUB></I>, are investigated in solution. The optical rotatory dispersion and infrared spectra showed that all the polymers assume both an α-helical conformation and a β-conformation in solution. The stability of the α-helix decreases in the oder: (A)<I><SUB>n</SUB></I>, (A<SUB>2</SUB>G)<I><SUB>n</SUB></I>, (A<SUB>3</SUB>G)<I><SUB>n</SUB></I>, and (AG<SUB>2</SUB>)<I><SUB>n</SUB></I>; this may be explained in terms of the interaction between methyl groups of L-alanyl residues regularly arranged on the surface of the α-helix.
- 公益社団法人 日本化学会の論文
著者
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Iio Takayoshi
Department Of Physics Faculty Of Science Nagoya University
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Takahashi Sho
Department Of Applied Physics Tokai University
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