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{{Infobox enzyme
| Name = Baccharis oxide synthase
| EC_number = 5.4.99.51
| CAS_number = 
| IUBMB_EC_number = 5/4/99/51
| GO_code = 
| image = 
| width = 
| caption =
}}
'''Baccharis oxide synthase''' ({{EC number|5.4.99.51}}) is an [[enzyme]] with system name ''(3S)-2,3-epoxy-2,3-dihydrosqualene mutase (cyclizing, baccharis-oxide-forming)''.<ref>{{cite journal | title = Biosynthesis of baccharis oxide, a triterpene with a 3,10-oxide bridge in the A-ring |author = Shibuya, M., Sagara, A., Saitoh, A., Kushiro, T. and Ebizuka, Y. |journal = Org. Lett. |year = 2008 |volume = 10 |pages = 5071–5074 |pmid = 18850716}}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: (3S)-2,3-epoxy-2,3-dihydrosqualene <math>\rightleftharpoons</math> baccharis oxide

The enzyme from ''[[Stevia rebaudiana]]'' also gives traces of other [[triterpenoid]]s.

== References ==
{{reflist}}

== External links ==
* {{MeshName|Baccharis+oxide+synthase}}

[[Category:EC 5.4.99]]