The Enzyme Database

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Accepted name: (2S,3R,6S,9S)-(–)-protoillud-7-ene synthase
Reaction: (2E,6E)-farnesyl diphosphate = (2S,3R,6S,9S)-(–)-protoillud-7-ene + diphosphate
Glossary: (2S,3R,6S,9S)-(–)-protoillud-7-ene = (2aS,4aS,7aS,7bR)-3,6,6,7b-tetramethyl-2,2a,4a,5,6,7,7a,7b-octahydro-1H-cyclobuta[e]indene
pentalenene = (3aS,5aS,8aR)-1,4,7,7-tetramethyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene
Other name(s): TPS6 (gene name)
Systematic name: (2E,6E)-farnesyl-diphosphate diphosphate-lyase [cyclizing, (2S,3R,6S,9S)-(–)-protoillud-7-ene-forming]
Comments: The enzyme has been described from the slime-mould Dictyostelium discoideum. It is specific for (2E,6E)-farnesyl diphosphate. While the major product is the sequiterpene (2S,3R,6S,9S)-(–)-protoillud-7-ene, traces of pentalenene are also formed.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Chen, X., Kollner, T.G., Jia, Q., Norris, A., Santhanam, B., Rabe, P., Dickschat, J.S., Shaulsky, G., Gershenzon, J. and Chen, F. Terpene synthase genes in eukaryotes beyond plants and fungi: occurrence in social amoebae. Proc. Natl Acad. Sci. USA 113 (2016) 12132–12137. [PMID: 27790999]
2.  Rabe, P., Rinkel, J., Nubbemeyer, B., Kollner, T.G., Chen, F. and Dickschat, J.S. Terpene cyclases from social Amoebae. Angew. Chem. Int. Ed. Engl. 55 (2016) 15420–15423. [PMID: 27862766]
[EC created 2017]

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