| 4-deoxy-L-threo-5-hexosulose-uronate ketol-isomerase | <enzyme> Converts 5-keto-4-deoxyuronate to 2,5-diketo-3-deoxygluconate Registry number: EC 5.3.1.17 Synonym: 5-keto-4-deoxyuronate isomerase (26 Jun 1999) |
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| 4-methylmuconolactone methyl-isomerase | <enzyme> From nocardioform actinomycetes; forms 3-methylmuconolactone Registry number: EC 5.3.3.- Synonym: 4-methyl-2-enelactone methylisomerase, mmlm-isomerase (26 Jun 1999) |
| 5-carboxymethyl-2-hydroxymuconate delta-isomerase | <enzyme> Catalyses the isomerization of 5-carboxymethyl-2-hydroxymuconate to yield 5-carboxymethyl-2-oxo-hex-3-ene-1,6-dioate Registry number: EC 5.3.3.10 Synonym: 5-cmhm isomerase, 5-carboxymethyl-2-hydroxymuconate isomerase (26 Jun 1999) |
| leukotriene B4 6-isomerase | <enzyme> From rat kidney homogenates Registry number: EC 5.2.- (26 Jun 1999) |
| L-rhamnose isomerase | <enzyme> Specified by structural gene rhaa from E coli; catalyses the conversion of l-rhamnose to l-rhamnulose Registry number: EC 5.3.1.14 Synonym: l-rhamnose ketol-isomerase (26 Jun 1999) |
| lycopene cyclase-isomerase | <enzyme> Found in bacteria chloroplasts; both isomerization and cyclization takes place; NADPH is essential cofactor; may be route to formation of alpha and beta carotene; has been sequenced; genbank d83513 Registry number: EC 5.5.- Synonym: crty protein, lycopene cyclase, crtl gene product, lycopene beta-cyclase (26 Jun 1999) |