2-Aminoisobutyric acid

（重定向自Amino isobutyric acid）

2-Aminoisobutyric acid, or α-aminoisobutyric acid (AIB) or α-methylalanine or 2-methylalanine, is an amino acid with the structural formula is H₂N-C(CH₃)₂-COOH. It is contained in some antibiotics of fungal origin, e.g. alamethicin and some lantibiotics. It is not one of the proteinogenic amino acids and rather rare in nature (cf. Non-proteinogenic amino acids). α-Aminoisobutyric acid is a strong helix inducer in peptides. Oligomers of AIB form 3₁₀ helices.

单词	Amino isobutyric acid
释义	Amino isobutyric acid 英语百科 2-Aminoisobutyric acid （重定向自Amino isobutyric acid） 2-Aminoisobutyric acid, or α-aminoisobutyric acid (AIB) or α-methylalanine or 2-methylalanine, is an amino acid with the structural formula is H₂N-C(CH₃)₂-COOH. It is contained in some antibiotics of fungal origin, e.g. alamethicin and some lantibiotics. It is not one of the proteinogenic amino acids and rather rare in nature (cf. Non-proteinogenic amino acids). α-Aminoisobutyric acid is a strong helix inducer in peptides. Oligomers of AIB form 3₁₀ helices.
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