| diguanylate cyclase | <enzyme> Converts 2GTP to bis-(3'-5')cyclic guanylic acid, via linear diguanosine tetraphosphate pppg 3'p5'g, releasing 1 pyrophosphate at each step Registry number: EC 4.6.1.- (26 Jun 1999) |
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| tetracenomycin F2 cyclase | <enzyme> Catalyses the cyclization of the anthrone tcmf2 to the naphthacenone tcmf1 in the biosynthesis of antibiotic tcm c in streptomyces glaucescens by an intramolecular aldol condensation-dehydration Registry number: EC 4.1.2.- Synonym: tcmi protein (26 Jun 1999) |
| thienamycin cyclase | <enzyme> Isolated from streptomyces lividans Registry number: EC 5.- (26 Jun 1999) |
| endo-fenchol cyclase | <enzyme> Converts geranyl pyrophosphate to (-)-endo-fenchol via (-)-(3r)-linoyl pyrophosphate Registry number: EC 5.5.- (26 Jun 1999) |
| epinephrine cyclase | <enzyme> Epinephrine is converted to adrenochrome Registry number: EC 1.10.3.- Synonym: catecholamine cyclase (26 Jun 1999) |
| UDPglucuronic acid cyclase | <enzyme> Forms udpapiose plus carbon dioxide Registry number: EC 4.1.1.- Synonym: udpglucuronic carboxy-lyase (cleaving, cyclizing) (26 Jun 1999) |
| farnesylpyrophosphate cyclase | <enzyme> Converts farnesylpyrophosphate to pentalenene; consider also trichodiene synthetase Registry number: EC 5.5.- Synonym: fpp cyclase, pentalenene synthase (26 Jun 1999) |
| 3-carboxy-cis-cis-muconate cyclase | <enzyme> Do not confuse with muconate cycloisomerase Registry number: EC 5.5.1.5 Synonym: 3-carboxy-cis,cis-muconate lactonizing enzyme, 3-cmle, carboxy-cis,cis-muconate cyclase (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) |