The Enzyme Database

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EC 4.3.3.3     
Accepted name: deacetylisoipecoside synthase
Reaction: deacetylisoipecoside + H2O = dopamine + secologanin
For diagram of indole and ipecac alkaloid biosynthesis, click here
Glossary: dopamine = 4-(2-aminoethyl)benzene-1,2-diol
Other name(s): deacetylisoipecoside dopamine-lyase
Systematic name: deacetylisoipecoside dopamine-lyase (secologanin-forming)
Comments: The enzyme from the leaves of Alangium lamarckii differs in enantiomeric specificity from EC 4.3.3.4 deacetylipecoside synthase. The product is rapidly converted to demethylisoalangiside.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 192827-94-4
References:
1.  DeEknamkul, W., Ounaroon, A., Tanahashi, T., Kutchan, T. and Zenk, M.H. Enzymatic condensation of dopamine and secologanin by cell-free extracts of Alangium lamarckii. Phytochemistry 45 (1997) 477–484.
[EC 4.3.3.3 created 2000]
 
 


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