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Literature summary for 4.3.3.2 extracted from

  • Chen, S.; Galan, M.C.; Coltharp, C.; OConnor, S.E.
    Redesign of a central enzyme in alkaloid biosynthesis (2006), Chem. Biol., 13, 1137-1141.
    View publication on PubMed

Application

Application Comment Organism
biotechnology redesigning the substrate specificity of strictosidine synthase is an important step toward re-engineering the TIA pathway to produce products with novel or improved biological properties Catharanthus roseus

Cloned(Commentary)

Cloned (Comment) Organism
for expression in Escherichia coli BL21DE3 cells Catharanthus roseus

Protein Variants

Protein Variants Comment Organism
D177A mutant engineered for redesigning the substrate specificity Catharanthus roseus
E277G mutant engineered for redesigning the substrate specificity Catharanthus roseus
F232T mutant engineered for redesigning the substrate specificity Catharanthus roseus
F314A mutant engineered for redesigning the substrate specificity Catharanthus roseus
F330L mutant engineered for redesigning the substrate specificity Catharanthus roseus
H283A mutant engineered for redesigning the substrate specificity Catharanthus roseus
H313N mutant engineered for redesigning the substrate specificity Catharanthus roseus
L329G mutant engineered for redesigning the substrate specificity Catharanthus roseus
Q282A mutant engineered for redesigning the substrate specificity Catharanthus roseus
S275G mutant engineered for redesigning the substrate specificity Catharanthus roseus
V182G mutant engineered for redesigning the substrate specificity Catharanthus roseus
W153F mutant engineered for redesigning the substrate specificity Catharanthus roseus
Y109H mutant engineered for redesigning the substrate specificity Catharanthus roseus
Y155A mutant engineered for redesigning the substrate specificity Catharanthus roseus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3-alpha(S)-strictosidine + H2O Catharanthus roseus
-
tryptamine + secologanin
-
?

Organism

Organism UniProt Comment Textmining
Catharanthus roseus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
by one-step affinity purification using a amylose column Catharanthus roseus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3-alpha(S)-strictosidine + H2O
-
Catharanthus roseus tryptamine + secologanin
-
?

Synonyms

Synonyms Comment Organism
str
-
Catharanthus roseus
strictosidine synthase
-
Catharanthus roseus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
HPLC activity assay Catharanthus roseus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.8
-
HPLC activity assay Catharanthus roseus