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Literature summary for 4.3.3.2 extracted from

  • Kutchan, T.M.; Bock, A.; Dittrich, H.
    Heterologous expression of the plant proteins strictosidine synthase and berberine bridge enzyme in insect cell culture (1994), Phytochemistry, 35, 353-360.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Sf9 cells using the Bacullovirus system, enzyme is secreted into the medium Rauvolfia serpentina

Inhibitors

Inhibitors Comment Organism Structure
tryptamine inhibitory above 0.7 mM Rauvolfia serpentina

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1
-
tryptamine
-
Rauvolfia serpentina
1
-
secologanin
-
Rauvolfia serpentina

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
tryptamine + secologanin Rauvolfia serpentina
-
3-alpha(S)-strictosidine
-
?

Organism

Organism UniProt Comment Textmining
Rauvolfia serpentina
-
-
-

Purification (Commentary)

Purification (Comment) Organism
from serum free medium of transformed Sf9 cells Rauvolfia serpentina

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.72
-
purified enzyme Rauvolfia serpentina

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
tryptamine + secologanin
-
Rauvolfia serpentina 3-alpha(S)-strictosidine
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
55
-
-
Rauvolfia serpentina

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
-
Rauvolfia serpentina