| poly(beta-D-mannuronate) lyase | <enzyme> Amino acid sequence has been determined for sp1 and sp2 isoenzymes from midgut of wreath shell, turbo cornutus Registry number: EC 4.2.2.3 Synonym: poly(1,4-beta-d-mannuronide)lyase, alginate lyase I, alginate lyase, aly gene product, mannuronate lyase sp1, mannuronate lyase sp2 (26 Jun 1999) |
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| cortisol lyase | <enzyme> Hydrocortisone is converted to 11beta-hydroxyandrost-4-ene-3,17-dione Registry number: EC 4.1.2.- (26 Jun 1999) |
| porphyrinogen carboxy-lyase | <enzyme> Consider uroporphyrinogen decarboxylase Registry number: EC 4.1.1.- (26 Jun 1999) |
| haloalcohol hydrogen-halide lyase | <enzyme> Catalyses dehalogenation of vicinal haloalcohols through intramolecular displacement with formation of epoxides; acts on 1,3-dichloro-2-propanol, 3-chloro-1,2-propanediol, 1-chloro-2-propanol and their brominated analogs, 2-bromoethanol and 1,3-dichloroacetone Registry number: EC 4.5.1.- Synonym: halohydrin hydrogen-halide lyase (26 Jun 1999) |
| cystathionine beta-lyase | <enzyme> An enzyme catalyzing the hydrolysis of l-cystathionine to pyruvate, l-homocysteine, and NH3. See: cystathionine gamma-lyase. Synonym: beta-cystathionase, cystine lyase. (05 Mar 2000) |
| cystathionine gamma-lyase | <enzyme> A multifunctional pyridoxal phosphate enzyme. In the final step in the biosynthesis of cysteine it catalyses the cleavage of cystathionine to yield cysteine, ammonia, and 2-ketobutyrate. Chemical name: L-Cystathionine cysteine-lyase (deaminating) Registry number: EC 4.4.1.1 (12 Dec 1998) |
| cystine lyase | <enzyme> An enzyme catalyzing the hydrolysis of l-cystathionine to pyruvate, l-homocysteine, and NH3. See: cystathionine gamma-lyase. Synonym: beta-cystathionase, cystine lyase. (05 Mar 2000) |
| prenylcysteine lyase | <enzyme> A specific enzyme involved in prenylcysteine metabolism in mammalian cells; mw 63 kD Registry number: EC 4.4.1.- Synonym: pclase (26 Jun 1999) |
| cytochrome C1 haem lyase | <enzyme> A mitochondrial haem lyase from saccharomyces cerevisiae; mw about 31 kD; facilitates covalent attachment of haem to the apoforms of c-type cytochromes Registry number: EC 4.99.- Synonym: yeast cc1hl (26 Jun 1999) |
| S-alkylcysteine lyase | <enzyme> Produces pyruvic acid, ammonia and a thiol; consider also glutamine transaminase k, which has cysteine conjugate beta-lyase activity Registry number: EC 4.4.1.6 Synonym: cysteine conjugate beta-lyase (26 Jun 1999) |
| heparin lyase | <enzyme> An enzyme of the isomerase class that catalyses the eliminative cleavage of polysaccharides containing 1,4-linked d-glucuronate or l-iduronate residues and 1,4-alpha-linked 2-sulfoamino-2-deoxy-6-sulfo-d-glucose residues to give oligosaccharides with terminal 4-deoxy-alpha-d-gluc-4-enuronosyl groups at their non-reducing ends. Chemical name: heparin lyase Registry number: EC 4.2.2.7 (12 Dec 1998) |
| protein A24 lyase | <enzyme> Releases histone 2a and ubiquitin from chromosomal protein a24 Registry number: EC 4.- (26 Jun 1999) |
| histidine ammonia-lyase | <enzyme> An enzyme of the lyase class that catalyses the reaction of l-histidine to form urocanate and ammonia. The reaction is the initial step of histidine catabolism. Genetic deficiency of the enzyme, transmitted as an autosomal recessive trait, causes histidinaemia. Chemical name: L-Histidine ammonia-lyase Registry number: EC 4.3.1.3 (12 Dec 1998) |
| selenocysteine lyase | <enzyme> Decomposes l-selenocysteine into l-alanine and h2se Registry number: EC 4.99.- Synonym: selenocysteine beta-lyase (26 Jun 1999) |
| hyaluronate lyase | <enzyme> Also acts on chondroitin; formerly EC 4.2.99.1 Registry number: EC 4.2.2.1 Synonym: mucinase, spreading factor (26 Jun 1999) |