EC 5.4.99.57     
Accepted name: baruol synthase
Reaction: (3S)-2,3-epoxy-2,3-dihydrosqualene = baruol
Other name(s): BARS1
Systematic name: (3S)-2,3-epoxy-2,3-dihydrosqualene mutase (cyclizing, baruol-forming)
Comments: The enzyme from Arabidopsis thaliana also produces traces of 22 other triterpenoids.
References:
1.  Lodeiro, S., Xiong, Q., Wilson, W.K., Kolesnikova, M.D., Onak, C.S. and Matsuda, S.P. An oxidosqualene cyclase makes numerous products by diverse mechanisms: a challenge to prevailing concepts of triterpene biosynthesis. J. Am. Chem. Soc. 129 (2007) 11213–11222. [PMID: 17705488]
[EC 5.4.99.57 created 2012]