α-helix - Alpha helix

Japanese: α-らせん - あるふぁらせん
α-helix - Alpha helix

…There are some low energy regions in the set of internal rotation angles (φ, ψ) (Fig. 2-c), and when these are realized in consecutive amino acid residues, they are recognized as secondary structures. Examples of secondary structures are the α-helix (Fig. 3-a), β-structure (Fig. 3-b), and poly-L-proline type II helix (Fig. 3-c). The α-helix forms hydrogen bonds with itself, and the β-structure forms hydrogen bonds with other β-structures, stabilizing the structure. …

*Some of the terminology that mentions "α-helix" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…(φ,ψ)の内部回転角の組には,いくつかのエネルギーの低い部分があり(図2-c),これが連続したアミノ酸残基に実現されるとき,二次構造として認識される。α‐らせん(図3-a),β‐構造(図3-b),ポリ‐L‐プロリンII型らせん(図3-c)が二次構造の例である。α‐らせんはそれ自身の中で,β‐構造は他のβ‐構造との間で水素結合を作り,構造を安定化している。…

※「α-らせん」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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