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Abietadienol hydroxylase

Class of enzymes

Class of enzymes

FieldValue
NameAbieta-7,13-dien-18-ol hydroxylase
EC_number1.14.13.109

Abieta-7,13-dien-18-ol hydroxylase (, CYP720B1, PTAO) is an enzyme with systematic name abieta-7,13-dien-18-ol,NADPH:oxygen oxidoreductase (18-hydroxylating). This enzyme catalyses the following chemical reaction

: abieta-7,13-dien-18-ol + NADPH + H+ + O2 \rightleftharpoons abieta-7,13-dien-18-al + NADP+ + 2 H2O (overall reaction) :(1a) abieta-7,13-dien-18-ol + NADPH + H+ + O2 \rightleftharpoons abieta-7,13-dien-18,18-diol + + NADP+ + H2O: :(1b) abieta-7,13-dien-18,18-diol \rightleftharpoons abieta-7,13-dien-18-al + H2O (spontaneous)

Abietadienol hydroxylase is a heme-thiolate protein (P-450).

References

References

  1. (January 1994). "Diterpenoid resin acid biosynthesis in conifers: characterization of two cytochrome P450-dependent monooxygenases and an aldehyde dehydrogenase involved in abietic acid biosynthesis". Archives of Biochemistry and Biophysics.
  2. (November 1994). "Regulation of Oleoresinosis in Grand Fir (Abies grandis) (Coordinate Induction of Monoterpene and Diterpene Cyclases and Two Cytochrome P450-Dependent Diterpenoid Hydroxylases by Stem Wounding)". Plant Physiology.
  3. (May 2005). "Loblolly pine abietadienol/abietadienal oxidase PtAO (CYP720B1) is a multifunctional, multisubstrate cytochrome P450 monooxygenase". Proceedings of the National Academy of Sciences of the United States of America.
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