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Literature summary for 1.1.1.277 extracted from

  • Stuhlemmer, U.; Kreis, W.
    Cardenolide formation and activity of pregnane-modifying enzymes in cell suspension cultures, shoot cultures and leaves of Digitalis lanata (1996), Plant Physiol. Biochem., 34, 85-91.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Mg2+
-
Digitalis lanata

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Digitalis lanata
-
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3beta-hydroxy-5beta-pregnane-20-one + NADP+ Digitalis lanata biosynthesis of cardenolides 5beta-pregnane-3,20-dione + NADPH
-
?

Organism

Organism UniProt Comment Textmining
Digitalis lanata
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
cell suspension culture
-
Digitalis lanata
-
leaf
-
Digitalis lanata
-
shoot light- and dark-grown Digitalis lanata
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0003
-
cell suspension culture Digitalis lanata
0.00084
-
leaf Digitalis lanata

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3beta-hydroxy-5beta-pregnane-20-one + NADP+ stereospecific Digitalis lanata 5beta-pregnane-3,20-dione + NADPH
-
?
3beta-hydroxy-5beta-pregnane-20-one + NADP+ biosynthesis of cardenolides Digitalis lanata 5beta-pregnane-3,20-dione + NADPH
-
?

Cofactor

Cofactor Comment Organism Structure
NADPH
-
Digitalis lanata