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Literature summary extracted from

  • St-Pierre, B.; De Luca, V.
    A cytochrome P-450 monooxygenase catalyzes the first step in the conversion of tabersonine to vindoline in Catharanthus roseus (1995), Plant Physiol., 109, 131-139.
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.14.14.103 clotrimazole 50% inhibition at 0.05 mM Catharanthus roseus
1.14.14.103 CO concentration dependent competitive inhibition, 77% inhibition at 90% Catharanthus roseus
1.14.14.103 cytochrome c 50% inhibition at 0.001 mM Catharanthus roseus
1.14.14.103 miconazole 50% inhibition at 0.3 mM Catharanthus roseus
1.14.14.103 tabersonine inhibition above 0.03 mM Catharanthus roseus
1.14.14.103 tricliphane 50% inhibition at 0.5 mM Catharanthus roseus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.14.14.103 0.011
-
tabersonine
-
Catharanthus roseus
1.14.14.103 0.014
-
NADPH
-
Catharanthus roseus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.14.14.103 endoplasmic reticulum
-
Catharanthus roseus 5783
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.14.103 tabersonine + NADPH + H+ + O2 Catharanthus roseus first step in vindoline boxynthesis 16-hydroxytabersonine + NADP+ + H2O
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.14.14.103 Catharanthus roseus
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.14.103 bud
-
Catharanthus roseus
-
1.14.14.103 leaf
-
Catharanthus roseus
-
1.14.14.103 root
-
Catharanthus roseus
-
1.14.14.103 seedling
-
Catharanthus roseus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.14.103 tabersonine + NADPH + H+ + O2 NADH is less active as substrate Catharanthus roseus 16-hydroxytabersonine + NADP+ + H2O
-
?
1.14.14.103 tabersonine + NADPH + H+ + O2 first step in vindoline boxynthesis Catharanthus roseus 16-hydroxytabersonine + NADP+ + H2O
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.14.14.103 30
-
assay at Catharanthus roseus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.14.14.103 7.5
-
phosphate buffer Catharanthus roseus
1.14.14.103 8
-
Tris buffer Catharanthus roseus