1.14.19.67: salutaridine synthase
This is an abbreviated version!
For detailed information about salutaridine synthase, go to the full flat file.
Word Map on EC 1.14.19.67
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1.14.19.67
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state-specific
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poppy
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papaver
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opium
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salutaridine
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somniferum
- 1.14.19.67
-
state-specific
- poppy
-
papaver
-
opium
- salutaridine
- somniferum
Reaction
Synonyms
(R)-reticuline dehydrogenase, (R)-reticuline oxidase (C-C phenol-coupling), CYP719B1, dehydrogenase, (R)-reticuline, EC 1.1.3.35, EC 1.14.21.4, PsSAS, SalSyn, salutaridine synthase
ECTree
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Cloned
Cloned on EC 1.14.19.67 - salutaridine synthase
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full-length CYP719B1 cDNA is generated by amplification out of bacterial vector pCR2.1 and inserted into baculovirus transfer vector pVL1392
salutaridine synthase (PsSAS), salutaridine reductase (PsSAR) and salutaridinol acetyltransferase (PsSAT) are functionally coexpressed in Saccharomyces cerevisiae and optimization of the pH conditions allowed for productive spontaneous rearrangement of salutaridinol-7-O-acetate and synthesis of thebaine from (R)-reticuline. A 7-gene pathway for the production of codeine and morphine from (R)-reticuline is reconstituted. Yeast cell feeding assays using (R)-reticuline, salutaridine or codeine as substrates show that all enzymes are functionally coexpressed in yeast and that activity of salutaridine reductase and codeine-O-demethylase likely limit flux to morphine synthesis. The results of this study describe a significant advance for the synthesis of morphinans in Saccharomyces cerevisiae and pave the way for their complete synthesis in recombinant microbes