Inenzymology, a2-aminohexano-6-lactam racemase (EC5.1.1.15) is anenzyme thatcatalyzes thechemical reaction

L-2-aminohexano-6-lactam${\displaystyle \rightleftharpoons }$ D-2-aminohexano-6-lactam

Hence, this enzyme has onesubstrate,L-2-aminohexano-6-lactam, and oneproduct,D-2-aminohexano-6-lactam.

This enzyme belongs to the family ofisomerases, specifically thoseracemases andepimerases acting onamino acids and derivatives. Thesystematic name of this enzyme class is2-aminohexano-6-lactam racemase. This enzyme is also calledalpha-amino-epsilon-caprolactam racemase.

• Ahmed SA, Esaki N, Tanaka H, Soda K (1984). "L-alpha-Amino-beta-thio-epsilon-caprolactam, a new sulfur-containing substrate for alpha-amino-epsilon-caprolactam racemase".FEBS Lett.174:76–79.doi:10.1016/0014-5793(84)81081-9.
• Ahmed SA, Esaki N, Tanaka H, Soda K (1986). "Mechanism of alpha-amino-epsilon-caprolactam racemase reaction".Biochemistry.25 (2):385–8.doi:10.1021/bi00350a017.PMID 3955003.

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