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Literature summary for 4.3.3.2 extracted from

  • Pfitzner, U.; Zenk, M.H.
    Isoation and immobilization of strictosidine synthase (1987), Methods Enzymol., 136, 342-350.
No PubMed abstract available

Application

Application Comment Organism
synthesis immobilized enzyme can be used to synthesize large quantities of 3-alpha(S)-strictosidine, that is a common intermediate in the biosynthesis of indole alkaloids Catharanthus roseus

General Stability

General Stability Organism
immobilized enzyme is more stable to changes in pH and temperature than soluble enzyme Catharanthus roseus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
tryptamine + secologanin Catharanthus roseus involved in synthesis of monoterpenoid indole alkaloides 3-alpha(S)-strictosidine
-
?

Organism

Organism UniProt Comment Textmining
Catharanthus roseus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Catharanthus roseus

Source Tissue

Source Tissue Comment Organism Textmining
cell culture
-
Catharanthus roseus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.18
-
purified enzyme, pH 6.5 Catharanthus roseus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
tryptamine + secologanin
-
Catharanthus roseus 3-alpha(S)-strictosidine
-
?
tryptamine + secologanin involved in synthesis of monoterpenoid indole alkaloides Catharanthus roseus 3-alpha(S)-strictosidine
-
?

Subunits

Subunits Comment Organism
monomer
-
Catharanthus roseus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
37
-
immobilized enzyme, half life: 68 d, 6% of initial activity after one year Catharanthus roseus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.4
-
immobilized enzyme Catharanthus roseus
6.8
-
soluble enzyme Catharanthus roseus

pH Range

pH Minimum pH Maximum Comment Organism
3 9 immobilized enzyme Catharanthus roseus
4 8.5 soluble enzyme Catharanthus roseus