Argininosuccinic Acid

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** An amino acid derivative formed through the binding of citrulline to aspartic acid catalyzed by argininosuccinic acid synthetase. Argininosuccinic acid is converted to arginine and fumarate by argininosuccinate lyase in the urea cycle.

**Synonyms:** - L-Aspartic Acid, N-(((4-Amino-4-Carboxybutyl)Amino)Iminomethyl)-, (S)- - N-[{[(4S)-4-Amino-4-Carboxybutyl]Amino}(Imino)Methyl]-L-Aspartic Acid