Entry
Name
methyltetrahydroprotoberberine 14-monooxygenase;
methyltetrahydroprotoberberine 14-hydroxylase;
(S)-cis-N-methyltetrahydroberberine 14-monooxygenase;
(S)-cis-N-methyltetrahydroprotoberberine-14-hydroxylase;
CYP82N4 (gene name)
Class
Oxidoreductases;
Acting on paired donors, with incorporation or reduction of molecular oxygen;
With reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen into the other donor
BRITE hierarchy
Sysname
(S)-N-methylcanadine,[reduced NADPH---hemoprotein reductase]:oxygen oxidoreductase (14-hydroxylating)
Reaction(IUBMB)
(S)-N-methylcanadine + [reduced NADPH---hemoprotein reductase] + O2 = allocryptopine + [oxidized NADPH---hemoprotein reductase] + H2O [RN:
R03842 ]
Reaction(KEGG)
Substrate
(S)-N-methylcanadine [CPD:
C02915 ];
[reduced NADPH---hemoprotein reductase] [CPD:
C03024 ];
O2 [CPD:
C00007 ]
Product
allocryptopine [CPD:
C02134 ];
[oxidized NADPH---hemoprotein reductase] [CPD:
C03161 ];
H2O [CPD:
C00001 ]
Comment
A cytochrome P-450 (heme-thiolate) protein found in plants.
History
EC 1.14.14.97 created 1990 as EC 1.14.13.37, transferred 2018 to EC 1.14.14.97
Pathway
ec00950 Isoquinoline alkaloid biosynthesis
ec01110 Biosynthesis of secondary metabolites
Orthology
K21692 methyltetrahydroprotoberberine 14-monooxygenase
Genes
Taxonomy
Reference
1
Authors
Rueffer, M. and Zenk, M.H.
Title
Enzymatic formation of protopines by a microsomal cytochrome-P-450 system of Corydalis vaginans.
Journal
Tetrahedron Lett 28:5307-5310 (1987)
Reference
Authors
Beaudoin GA, Facchini PJ
Title
Isolation and characterization of a cDNA encoding (S)-cis-N-methylstylopine 14-hydroxylase from opium poppy, a key enzyme in sanguinarine biosynthesis.
Journal
Sequence
Other DBs