EC 3.5.2.4     
Accepted name: carboxymethylhydantoinase
Reaction: L-5-carboxymethylhydantoin + H2O = N-carbamoyl-L-aspartate
Other name(s): hydantoin hydrolase
Systematic name: L-5-carboxymethylhydantoin amidohydrolase
References:
1.  Lieberman, I. and Kornberg, A. Enzymatic synthesis and breakdown of a pyrimidine, orotic acid. II. Dihydroorotic acid, ureidosuccinic acid, and 5-carboxymethylhydantoin. J. Biol. Chem. 207 (1954) 911–924. [PMID: 13163076]
[EC 3.5.2.4 created 1961]