KEGG   ENZYME: 4.1.2.33Help
Entry
EC 4.1.2.33                 Enzyme                                 

Name
fucosterol-epoxide lyase;
(24R,24'R)-fucosterol-epoxide acetaldehyde-lyase;
(24R,24'R)-fucosterol-epoxide acetaldehyde-lyase (desmosterol-forming)
Class
Lyases;
Carbon-carbon lyases;
Aldehyde-lyases
BRITE hierarchy
Sysname
(24R,241R)-fucosterol-epoxide acetaldehyde-lyase (desmosterol-forming)
Reaction(IUBMB)
(24R,241R)-fucosterol epoxide = desmosterol + acetaldehyde [RN:R03723]
Reaction(KEGG)
Substrate
(24R,241R)-fucosterol epoxide
Product
desmosterol [CPD:C01802];
acetaldehyde [CPD:C00084]
Comment
The insect enzyme is involved in the conversion of sitosterol into cholesterol.
History
EC 4.1.2.33 created 1989, modified 2013
Reference
1  [PMID:3913328]
  Authors
Prestwich GD, Angelastro M, De Palma A, Perino MA.
  Title
Fucosterol epoxide lyase of insects: synthesis of labeled substrates and development of a partition assay.
  Journal
Anal. Biochem. 151 (1985) 315-26.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
99676-42-3

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