The Enzyme Database

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Accepted name: angelicin synthase
Reaction: (+)-columbianetin + [reduced NADPH—hemoprotein reductase] + O2 = angelicin + [oxidized NADPH—hemoprotein reductase] + acetone + 2 H2O
For diagram of psoralen biosynthesis, click here
Other name(s): CYP71AJ4 (gene name)
Systematic name: (+)-columbianetin,[reduced NADPH—hemoprotein reductase]:oxygen oxidoreductase
Comments: This cytochrome P-450 (heme-thiolate) enzyme from wild parsnip is involved in the formation of angular furanocoumarins. Attacks its substrate by syn-elimination of hydrogen from C-3′.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Larbat, R., Hehn, A., Hans, J., Schneider, S., Jugde, H., Schneider, B., Matern, U. and Bourgaud, F. Isolation and functional characterization of CYP71AJ4 encoding for the first P450 monooxygenase of angular furanocoumarin biosynthesis. J. Biol. Chem. 284 (2009) 4776–4785. [DOI] [PMID: 19098286]
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