| hydro-lyases | <enzyme> Enzymes that catalyze the removal of water from a substrate by breakage of a carbon-oxygen bond, leading to formation of a double bond. The recommended name is usually dehydratase. The term synthase or hydratase is used when the reverse aspect of the reaction is dominant. Registry number: EC 4.2.1. (12 Dec 1998) |
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| oxo-acid-lyases | <enzyme> Enzymes that catalyze the cleavage of a carbon-carbon bond of a 3-hydroxy acid. Registry number: EC 4.1.3. (12 Dec 1998) |
| lyases | <enzyme> A class of enzymes that catalyze the cleavage of c-c, c-o, and c-n, and other bonds by other means than by hydrolysis or oxidation. Registry number: EC 4. (12 Dec 1998) |