The Enzyme Database

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EC 5.4.99.53     
Accepted name: marneral synthase
Reaction: (3S)-2,3-epoxy-2,3-dihydrosqualene = marneral
For diagram of arabidiol, camellidiol and thalianol biosynthesis, click here
Systematic name: (3S)-2,3-epoxy-2,3-dihydrosqualene mutase (cyclizing, marneral-forming)
Comments: Marneral is a triterpenoid formed by Grob fragmentation of the A ring of 2,3-epoxy-2,3-dihydrosqualene during cyclization.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Xiong, Q., Wilson, W.K. and Matsuda, S.P.T. An Arabidopsis oxidosqualene cyclase catalyzes iridal skeleton formation by Grob fragmentation. Angew. Chem. Int. Ed. Engl. 45 (2006) 1285–1288. [PMID: 16425307]
[EC 5.4.99.53 created 2011]
 
 


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