Alpha-Aminobutyric Acid

**Semantic type:** Pharmacologic Substance

**Definition:** An alpha-amino acid that is a derivative of alanine with a side chain that is one carbon longer than the alanine side chain. It is synthesized through the transamination of oxobutyrate and is utilized in the biosynthesis of nonribosomal peptides.

**Synonyms:** - .ALPHA.-AMINOBUTYRIC ACID - 2-Amino-N-Butyric Acid - 2-Aminobutanoic Acid - 2-Aminobutyric Acid - 2-Aminobutyric Acid, DL - AABA - Abu - Alpha-Amino-N-Butyric Acid - Butanoic Acid, 2-Amino- - Butanoic Acid, 2-amino- - Butyric Acid, 2-Amino-, DL- - Butyrine - DL-2-Amino-N-Butyric Acid - DL-Alpha-Amino-N-Butyric Acid - Homoalanine