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IUBMB CommentsThe enzyme, characterized from the plant Papaver somniferum (opium poppy), participates in the biosynthesis of the isoquinoline alkaloid noscapine.
The expected taxonomic range for this enzyme is: Papaver somniferum
Synonyms
CXE1, Cxe2,
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CXE1

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3-O-acetylpapaveroxine + H2O = narcotine hemiacetal + acetate
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3-O-acetylpapaveroxine acetatehydrolase
The enzyme, characterized from the plant Papaver somniferum (opium poppy), participates in the biosynthesis of the isoquinoline alkaloid noscapine.
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3-O-acetylpapaveroxine + H2O
narcotine hemiacetal + acetate
4'-O-demethyl-3-O-acetylpapaveroxine + H2O
narcotoline hemiacetal + acetate
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3-O-acetylpapaveroxine + H2O

narcotine hemiacetal + acetate
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3-O-acetylpapaveroxine + H2O
narcotine hemiacetal + acetate
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3-O-acetylpapaveroxine + H2O
narcotine hemiacetal + acetate
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0.0252 - 0.0471
3-O-acetylpapaveroxine
0.0252
3-O-acetylpapaveroxine

pH not specified in the publication, temperature not specified in the publication
0.0471
3-O-acetylpapaveroxine
pH not specified in the publication, temperature not specified in the publication
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UniProt
brenda
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brenda
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physiological function
enzyme is involved in biosynthesis of isoquinoline alkaloid noscapine
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CXE1_PAPSO
320
0
36168
Swiss-Prot
other Location (Reliability: 2)
CXE2_PAPSO
313
0
35154
Swiss-Prot
other Location (Reliability: 2)
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Dang, T.; Chen, X.; Facchini, P.
Acetylation serves as a protective group in noscapine biosynthesis in opium poppy
Nat. Chem. Biol.
11
104-106
2015
Papaver somniferum (A0A0A1EQ07), Papaver somniferum (I3PLR2)
brenda
Park, M.; Chen, X.; Lang, D.; Ng, K.; Facchini, P.
Heterodimeric O-methyltransferases involved in the biosynthesis of noscapine in opium poppy
Plant J.
95
252-267
2018
Papaver somniferum
brenda
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