IUBMB Enzyme Nomenclature

EC 5.4.99.56

Accepted name: tirucalladienol synthase

Reaction: (3S)-2,3-epoxy-2,3-dihydrosqualene = tirucalla-7,24-dien-3β-ol

For diagram of reaction click here.

Other name(s): PEN3

Systematic name: (3S)-2,3-epoxy-2,3-dihydrosqualene mutase (cyclizing, tirucalla-7,24-dien-3β-ol-forming)

Comments: The product from Arabidopsis thaliana is 85% tirucalla-7,24-dien-3β-ol with trace amounts of other triterpenoids.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:

References:

1. Morlacchi, P., Wilson, W.K., Xiong, Q., Bhaduri, A., Sttivend, D., Kolesnikova, M.D. and Matsuda, S.P. Product profile of PEN3: the last unexamined oxidosqualene cyclase in Arabidopsis thaliana. Org. Lett. 11 (2009) 2627-2630. [PMID: 19445469]

[EC 5.4.99.56 created 2011]


Return to EC 5.4.99 home page
Return to EC 5.4 home page
Return to EC 5 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page