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Literature summary for 1.14.19.67 extracted from

  • Gesell, A.; Rolf, M.; Ziegler, J.; Diaz Chavez, M.L.; Huang, F.C.; Kutchan, T.M.
    CYP719B1 is salutaridine synthase, the C-C phenol-coupling enzyme of morphine biosynthesis in opium poppy (2009), J. Biol. Chem., 284, 24432-24442.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
full-length CYP719B1 cDNA is generated by amplification out of bacterial vector pCR2.1 and inserted into baculovirus transfer vector pVL1392 Papaver somniferum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0062
-
(R)-reticuline
-
Papaver somniferum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
determined by SDS-PAGE Papaver somniferum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
(R)-reticuline + [reduced NADPH-hemoprotein reductase] + O2 Papaver somniferum
-
salutaridine + [oxidized NADPH-hemoprotein reductase] + H2O
-
?

Organism

Organism UniProt Comment Textmining
Papaver somniferum B1NF18
-
-

Purification (Commentary)

Purification (Comment) Organism
microsomes from insect cells are prepared Papaver somniferum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(R)-norreticuline + [reduced NADPH-hemoprotein reductase] + O2
-
Papaver somniferum norsalutaridine + [oxidized NADPH-hemoprotein reductase] + H2O
-
?
(R)-reticuline + [reduced NADPH-hemoprotein reductase] + O2
-
Papaver somniferum salutaridine + [oxidized NADPH-hemoprotein reductase] + H2O
-
?

Synonyms

Synonyms Comment Organism
CYP719B1
-
Papaver somniferum
salutaridine synthase
-
Papaver somniferum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay for kinetic analysis Papaver somniferum
37
-
activity assay Papaver somniferum

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.027
-
(R)-reticuline
-
Papaver somniferum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
activity assay Papaver somniferum
8
-
assay for kinetic analysis Papaver somniferum

Cofactor

Cofactor Comment Organism Structure
cytochrome P450
-
Papaver somniferum