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Information on EC 1.3.1.107 - sanguinarine reductase

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IUBMB Comments
The enzyme, purified from the California poppy (Eschscholzia californica), is involved in detoxifying the phytoalexin sanguinarine produced by poppy itself (cf. EC 1.5.3.12, dihydrobenzophenanthridine oxidase), when it binds to the cell wall of the poppy cell. The reaction with NADPH is up to three times faster than that with NADH at low concentrations (<10 uM) of the dinucleotide. At higher concentrations the reaction with NADPH is inhibited but not that with NADH .
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The expected taxonomic range for this enzyme is: Eschscholzia californica
Synonyms
SARED1, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
dihydrochelirubine + NAD(P)+ = chelirubine + NAD(P)H + H+
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dihydrosanguinarine + NAD(P)+ = sanguinarine + NAD(P)H + H+
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