| extracellular enzyme | <enzyme> An enzyme performing its functions outside a cell; e.g., the various digestive enzyme's. Synonym: exoenzyme, lyoenzyme. (05 Mar 2000) |
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| yellow enzyme | Any enzyme that possesses a flavin nucleotide as coenzyme; e.g., xanthine oxidase, succinate dehydrogenase. Synonym: yellow enzyme. (05 Mar 2000) |
| Kornberg enzyme | DNA polymerase I from Escherichia coli. (05 Mar 2000) |
| 1,4-alpha-glucan branching enzyme | <enzyme> In glycogen or amylopectin synthesis, the enzyme that catalyses the transfer of a segment of a 1,4-alpha-glucan chain to a primary hydroxy group in a similar glucan chain. Chemical name: 1,4-alpha-D-Glucan:1,4-alpha-D-glucan 6-alpha-D-(1,4-alpha-D-glucano)-transferase Registry number: EC 2.4.1.18 (12 Dec 1998) |
| liver enzyme | <biochemistry> Special proteins found in the cells of the liver that are responsible for catalysing specific metabolic reactions. They may become elevated in the bloodstream in conditions of hepatitis or liver cancer. See: liver function tests. (27 Sep 1997) |