10-hydroxydihydrosanguinarine 10-O-methyltransferase

In enzymology, a 10-hydroxydihydrosanguinarine 10-O-methyltransferase (EC 2.1.1.119) is an enzyme that catalyzes the chemical reaction

S-adenosyl-L-methionine + 10-hydroxydihydrosanguinarine S-adenosyl-L-homocysteine + dihydrochelirubine
10-hydroxydihydrosanguinarine 10-O-methyltransferase
Identifiers
EC number2.1.1.119
CAS number144388-39-6
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

Thus, the two substrates of this enzyme are S-adenosyl methionine and 10-hydroxydihydrosanguinarine, whereas its two products are S-adenosylhomocysteine and dihydrochelirubine.

This enzyme belongs to the family of transferases, specifically those transferring one-carbon group methyltransferases. The systematic name of this enzyme class is S-adenosyl-L-methionine:10-hydroxydihydrosanguinarine 10-O-methyltransferase. This enzyme participates in alkaloid biosynthesis i.

References

    • De-Eknamkul W, Tanahashi T, Zenk MH (1992). "Enzymic 10-hydroxylation and 10-O-methylation of dihydrosanguinarine in dihydrochelirubine formation by Eschscholtzia". Phytochemistry. 31 (8): 2713–2717. doi:10.1016/0031-9422(92)83617-8.


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