ExplorEnz: EC 4.2.3.198

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4.2.3.198

Accepted name:

α-selinene synthase

Reaction:

(2E,6E)-farnesyl diphosphate = α-selinene + diphosphate

For diagram of eudesmol and selinene biosynthesis, click here

Glossary:

α-selinene = (2R,4aR,8aS)-4,8a-dimethyl-2-(prop-1-en-2-yl)-1,2,3,4,4a,5,6,8a-octahydronaphthalene
β-selinene = (4aR,7R,8aS)-4a-methyl-1-methylidene-7-(prop-1-en-2-yl)decahydronaphthalene
aromadendrene = (1aR,4aR,7R,7aR,7bS)-1,1,7-trimethyl-4-methylidenedecahydro-1H-cyclopropa[e]azulene

Other name(s):

LfTPS2 (gene name)

Systematic name:

(2E,6E)-farnesyl-diphosphate diphosphate-lyase (cyclizing, α-selinene-forming)

Comments:

The enzyme from the plant Ocimum basilicum (sweet basil) also produces β-selinene while that from Liquidambar formosana (Formosan sweet gum) also produces traces of aromadendrene.

Links to other databases:

BRENDA, EXPASY, KEGG, MetaCyc

References:

1.	Iijima, Y., Davidovich-Rikanati, R., Fridman, E., Gang, D.R., Bar, E., Lewinsohn, E. and Pichersky, E. The biochemical and molecular basis for the divergent patterns in the biosynthesis of terpenes and phenylpropenes in the peltate glands of three cultivars of basil. Plant Physiol. 136 (2004) 3724–3736. [DOI] [PMID: 15516500]
2.	Chuang, L., Wen, C.H., Lee, Y.R., Lin, Y.L., Hsu, L.R., Wang, S.Y. and Chu, F.H. Identification, functional characterization, and seasonal expression patterns of five sesquiterpene synthases in Liquidambar formosana. J Nat Prod 81 (2018) 1162–1172. [PMID: 29746128]

[EC 4.2.3.198 created 2018]