| L-methionine gamma-lyase | <enzyme> Pharmacological action: antimetabolites, antineoplastic Registry number: EC 4.4.1.11 Synonym: l-methionine alpha-deamino gamma-mercaptomethane-lyase, methionine dethiomethylase, l-methioninase, methioninase (26 Jun 1999) |
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| L-tyrosine ammonia-lyase | <enzyme> Catalyses the conversion of tyrosine to trans-p-coumaric acid and ammonia Registry number: EC 4.3.1.- Synonym: tyrosine ammonia-lyase (26 Jun 1999) |
| lyase | <enzyme> An enzyme of the EC Class 4, that strips a group from a molecule to form a double bond or adds a group to a double bond. A lyase catalyses the nonhydrolytic removal of a group from a substrate with the resulting formation of a double bond. The reverse reaction is performed by a synthetase. The group include decarboxylases, aldolases and dehydratases. (14 Oct 1997) |