View source for 23S rRNA pseudouridine1911/1915/1917 synthase

{{Infobox enzyme
| Name = Cucurbitadienol synthase
| EC_number = 5.4.99.33
| CAS_number = 
| IUBMB_EC_number = 5/4/99/33
| GO_code = 
| image = 
| width = 
| caption =
}}
'''Cucurbitadienol synthase''' ({{EC number|5.4.99.33}}, ''CPQ (gene)'', ''(S)-2,3-epoxysqualene mutase (cyclizing, cucurbitadienol-forming)'') is an [[enzyme]] with system name ''(3S)-2,3-epoxy-2,3-dihydrosqualene mutase (cyclizing, cucurbitadienol-forming)''.<ref>{{cite journal | title = Cucurbitadienol synthase, the first committed enzyme for cucurbitacin biosynthesis, is a distinct enzyme from cycloartenol synthase for phytosterol biosynthesis |author = Shibuya, M., Adachi, S., and Ebizuka, Y. |journal = Tetrahedron |year = 2004 |volume = 60 |pages = 6995–7003 |pmid = }}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: (3S)-2,3-epoxy-2,3-dihydrosqualene <math>\rightleftharpoons</math> [[cucurbitadienol]]

== References ==
{{reflist}}

== External links ==
* {{MeshName|Cucurbitadienol+synthase}}

[[Category:EC 5.4.99]]