IUBMB Enzyme Nomenclature


Accepted name: baccharis oxide synthase

Reaction: (3S)-2,3-epoxy-2,3-dihydrosqualene = baccharis oxide

For diagram of reaction click here.

Systematic name: (3S)-2,3-epoxy-2,3-dihydrosqualene mutase (cyclizing, baccharis-oxide-forming)

Comments: The enzyme from Stevia rebaudiana also gives traces of other triterpenoids.

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


1. Shibuya, M., Sagara, A., Saitoh, A., Kushiro, T. and Ebizuka, Y. Biosynthesis of baccharis oxide, a triterpene with a 3,10-oxide bridge in the A-ring. Org. Lett. 10 (2008) 5071-5074. [PMID: 18850716]

[EC created 2011]

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