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Literature summary for 4.2.1.98 extracted from

  • Watkins, W.E.; Glass, T.L.
    Characteristics of 16-dehydroprogesterone reductase in cell extracts of the intestinal anaerobe, Eubacterium sp. strain 144 (1991), J. Steroid Biochem. Mol. Biol., 38, 257-263.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
additional information not inhibited by inhibitors of electron transport reactions or metal chelators Eubacterium sp.
sulfhydryl reagent
-
Eubacterium sp.
Tris-HCl at pH above 7 Eubacterium sp.

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm 40% activity in cytoplasmic, 20% in membrane fractions of crude cell extract Eubacterium sp. 5737
-
membrane 40% activity in cytoplasmic, 20% in membrane fractions of crude cell extract Eubacterium sp. 16020
-

Organism

Organism UniProt Comment Textmining
Eubacterium sp.
-
-
-
Eubacterium sp. 144
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
16-dehydroprogesterone + H2O pyruvate or sodium dithionite serve as electron donors, both reactions require methylviologen as electron carrier Eubacterium sp. 16alpha-hydroxyprogesterone
-
?
16-dehydroprogesterone + H2O pyruvate or sodium dithionite serve as electron donors, both reactions require methylviologen as electron carrier Eubacterium sp. 144 16alpha-hydroxyprogesterone
-
?

pH Range

pH Minimum pH Maximum Comment Organism
5 8.5 enzyme activity is not affected over this range in potassium phosphate buffer, but is inhibited by Tris-HCl buffer at pH above 7.0 Eubacterium sp.