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Literature summary extracted from

  • Stafford, H.A.; Lester, H.H.
    Flavan-3-ol biosynthesis. The conversion of (+)-dihydromyricetin to its flavan-3,4-diol (leucodelphinidin) and to (+)-gallocatechin by reductases extracted from tissue cultures of Ginkgo biloba and Pseudotsuga menziesii (1985), Plant Physiol., 78, 791-794.
    View publication on PubMedView publication on EuropePMC

Organism

EC Number Organism UniProt Comment Textmining
1.1.1.219 Ginkgo biloba
-
-
-
1.1.1.219 Pseudotsuga menziesii
-
 douglas fir
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.1.1.219 callus cultured from petioles Ginkgo biloba
-
1.1.1.219 callus cultured from needles Pseudotsuga menziesii
-
1.1.1.219 cell suspension culture from petioles Ginkgo biloba
-
1.1.1.219 cell suspension culture from needles Pseudotsuga menziesii
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.1.1.219 0.024
-
-
 Ginkgo biloba

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.1.1.219 (+)-dihydromyricetin + NADPH i.e. 5'-hydroxy-dihydroquercetin Pseudotsuga menziesii cis-3,4-leucodelphinidin + NADP+ i.e. 5,7,4'-trihydroxyflavan-3,4-cis-diol ?
1.1.1.219 (+)-dihydromyricetin + NADPH i.e. 5'-hydroxy-dihydroquercetin Ginkgo biloba cis-3,4-leucodelphinidin + NADP+ i.e. 5,7,4'-trihydroxyflavan-3,4-cis-diol ?
1.1.1.219 (+)-dihydroquercetin + NADPH
-
 Pseudotsuga menziesii cis-3,4-leucocyanidin + NADP+
-
 ?
1.1.1.219 (+)-dihydroquercetin + NADPH
-
 Ginkgo biloba cis-3,4-leucocyanidin + NADP+
-
 ?

Cofactor

EC Number Cofactor Comment Organism Structure
1.1.1.219 NADPH
-
 Pseudotsuga menziesii
1.1.1.219 NADPH
-
 Ginkgo biloba