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Literature summary for 1.1.1.239 extracted from

  • Sweat, M.L.; Samuels, L.T.; Lumry, R.
    Preparation and characterization of the enzyme which converts testosterone to androstendione (1950), J. Biol. Chem., 185, 75-84.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.033
-
testosterone approximate value, data fitted by eye Bos taurus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
testosterone + NAD+ Bos taurus
-
androst-4-ene-3,17-dione + NADH + H+
-
?

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
testosterone + NAD+
-
Bos taurus androst-4-ene-3,17-dione + NADH + H+
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30 40
-
Bos taurus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.3
-
-
Bos taurus

pH Range

pH Minimum pH Maximum Comment Organism
6 10
-
Bos taurus

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Bos taurus