Shionone synthase

Shionone synthase (EC 5.4.99.46) is an enzyme with systematic name (3S)-2,3-epoxy-2,3-dihydrosqualene mutase (cyclizing, shionone-forming).[1] This enzyme catalyses the following chemical reaction

(3S)-2,3-epoxy-2,3-dihydrosqualene shionone
Shionone synthase
Identifiers
EC number5.4.99.46
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

The enzyme gives traces of four other triterpenoids

References

  1. Sawai S, Uchiyama H, Mizuno S, Aoki T, Akashi T, Ayabe S, Takahashi T (April 2011). "Molecular characterization of an oxidosqualene cyclase that yields shionone, a unique tetracyclic triterpene ketone of Aster tataricus". FEBS Letters. 585 (7): 1031–6. doi:10.1016/j.febslet.2011.02.037. PMID 21377465.
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