Aphidicolan-16β-ol synthase (EC 4.2.3.42, PbACS) is an enzyme with systematic name 9α-copalyl-diphosphate diphosphate-lyase (aphidicolan-16β-ol-forming).[1][2] This enzyme catalyses the following chemical reaction
| Aphidicolan-16β-ol synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 4.2.3.42 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
- 9α-copalyl diphosphate + H2O aphidicolan-16β-ol + diphosphate
This is a bifunctional enzyme, which also has EC 5.5.1.14 activity.
References
edit- ^ Oikawa H, Toyomasu T, Toshima H, Ohashi S, Kawaide H, Kamiya Y, Ohtsuka M, Shinoda S, Mitsuhashi W, Sassa T (May 2001). "Cloning and functional expression of cDNA encoding aphidicolan-16 β-ol synthase: a key enzyme responsible for formation of an unusual diterpene skeleton in biosynthesis of aphidicolin". Journal of the American Chemical Society. 123 (21): 5154–5. doi:10.1021/ja015747j. PMID 11457369.
- ^ Toyomasu T, Nakaminami K, Toshima H, Mie T, Watanabe K, Ito H, Matsui H, Mitsuhashi W, Sassa T, Oikawa H (January 2004). "Cloning of a gene cluster responsible for the biosynthesis of diterpene aphidicolin, a specific inhibitor of DNA polymerase α". Bioscience, Biotechnology, and Biochemistry. 68 (1): 146–52. doi:10.1271/bbb.68.146. PMID 14745177.
External links
edit- Aphidicolan-16beta-ol+synthase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
