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Literature summary for 1.1.1.206 extracted from

  • Kuester, N.; Rosahl, S.; Draeger, B.
    Potato plants with genetically engineered tropane alkaloid precursors (2017), Planta, 245, 355-365.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
gene TR1, enzyme overexpression via leaves transformation with Agrobacterium tumefaciens AGL0, quantitative PCR enzyme expression analysis Solanum tuberosum

Protein Variants

Protein Variants Comment Organism
additional information enzyme suppression in potato plants by RNA interference (RNAi) and enzyme overexpression. The overexpression and gene knockdown of StTRI alters tropinone reduction in vivo, but has no influence on calystegine accumulation,in contrast to genetic manipulation of isozyme St-TRII, EC 1.1.1.236, phenotypes, calystegine analysis overview. Higher availability of tropinone, when StTRI gene expression is reduced, and enhanced formation of pseudotropine, that may result in a higher calystegine accumulation, are not evident Solanum tuberosum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Solanum tuberosum tropinone feeding experiments ?
-
?
tropinone + NADPH + H+ Solanum tuberosum Solanum tuberosum tropinone reductase I reduces tropinone in vivo tropine + NADP+
-
r

Organism

Organism UniProt Comment Textmining
Solanum tuberosum Q9AR59 cv. Desiree
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information tropinone feeding experiments Solanum tuberosum ?
-
?
tropinone + NADPH + H+
-
Solanum tuberosum tropine + NADP+
-
r
tropinone + NADPH + H+ Solanum tuberosum tropinone reductase I reduces tropinone in vivo Solanum tuberosum tropine + NADP+
-
r

Synonyms

Synonyms Comment Organism
TR1
-
Solanum tuberosum
TRI
-
Solanum tuberosum

Cofactor

Cofactor Comment Organism Structure
NADP+
-
Solanum tuberosum
NADPH
-
Solanum tuberosum

General Information

General Information Comment Organism
physiological function tropine forming tropinone reductase (TRI) catalyzes a tropinone reduction competing with TRII, EC 1.1.1.236. Tropine formation is essential in the course of the biosynthesis of the medicinal tropine alkaloids atropine and scopolamine that are not found in potato Solanum tuberosum