Vetispiradiene synthase
| Vetispiradiene synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 4.2.3.21 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
In enzymology, a vetispiradiene synthase (EC 4.2.3.21) is an enzyme of Egyptian henbane that catalyzes the following chemical reaction:
- trans,trans-farnesyl diphosphate vetispiradiene + diphosphate
Hence, this enzyme has one substrate, trans,trans-farnesyl diphosphate, and two products, vetispiradiene and diphosphate.
This enzyme belongs to the family of lyases, specifically those carbon-oxygen lyases acting on phosphates. The systematic name of this enzyme class is trans,trans-farnesyl-diphosphate diphosphate-lyase (cyclizing, vetispiradiene-forming). Other names in common use include vetispiradiene-forming farnesyl pyrophosphate cyclase, pemnaspirodiene synthase, HVS, and vetispiradiene cyclase. This enzyme participates in terpenoid biosynthesis.
References
- Back K, Chappell J (1995). "Cloning and bacterial expression of a sesquiterpene cyclase from Hyoscyamus muticus and its molecular comparison to related terpene cyclases". J. Biol. Chem. 270 (13): 7375&ndash, 81. doi:10.1074/jbc.270.13.7375. PMID 7706281.
- Chappell J, Ricci P, Marco Y (1998). "Sesquiterpene cyclase is not a determining factor for elicitor- and pathogen-induced capsidiol accumulation in tobacco". Planta. 205 (3): 467&ndash, 476. doi:10.1007/s004250050345.
- Mathis JR, Back K, Starks C, Noel J, Poulter CD, Chappell J (1997). "Pre-steady-state study of recombinant sesquiterpene cyclases". Biochemistry. 36 (27): 8340&ndash, 8. doi:10.1021/bi963019g. PMID 9204881.
- Yoshioka H, Yamada N, Doke N (1999). "cDNA cloning of sesquiterpene cyclase and squalene synthase, and expression of the genes in potato tuber infected with Phytophthora infestans". Plant Cell Physiol. 40 (9): 993&ndash, 8. PMID 10588069.
- Martin VJ, Yoshikuni Y, Keasling JD (2001). "The in vivo synthesis of plant sesquiterpenes by Escherichia coli". Biotechnol. Bioeng. 75 (5): 497&ndash, 503. doi:10.1002/bit.10037. PMID 11745124.
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