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Literature summary for 1.1.1.145 extracted from

  • Cheatum, S.G.; Warren, J.C.
    Purification and properties of 3-beta-hydroxysteroid dehydrogenase and delta-5-3-ketosteroid isomerase from bovine corpora lutea (1966), Biochim. Biophys. Acta, 122, 1-13.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Bos taurus
-
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
dehydroepiandrosterone + NAD+ Bos taurus
-
androst-5-en-3,17-dione + NADH + H+
-
?
pregnenolone + NAD(P)+ Bos taurus
-
pregn-5-en-3,20-dione + NAD(P)H + H+
-
?

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Bos taurus

Source Tissue

Source Tissue Comment Organism Textmining
adrenal gland
-
Bos taurus
-
ovary
-
Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
45
-
-
Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3beta,17alpha-dihydroxy-5-pregnen-20-one + NAD(P)+
-
Bos taurus 17alpha-hydroxypregn-5-ene-3,20-dione + NAD(P)H
-
?
3beta-hydroxyandrostan-17-one + NAD+
-
Bos taurus androstan-3,17-dione + NADH
-
?
4-androsten-3beta,17beta-diol + NAD+
-
Bos taurus 4-androsten-17beta-ol-3-one + NADH
-
?
dehydroepiandrosterone + NAD+
-
Bos taurus androst-5-en-3,17-dione + NADH + H+
-
?
additional information no reaction with OH in 3alpha, 17beta, 11beta, 21 position Bos taurus ?
-
?
pregnenolone + NAD(P)+
-
Bos taurus pregn-5-en-3,20-dione + NAD(P)H + H+
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.2
-
-
Bos taurus

pH Range

pH Minimum pH Maximum Comment Organism
6.8 9
-
Bos taurus

Cofactor

Cofactor Comment Organism Structure
additional information no reaction with 3-acetylpyridine-adenine dinucleotide, nicotinamide-hypoxanthine dinucleotide, 3-acetylpyridine-hypoxanthine dinucleotide Bos taurus
NAD+
-
Bos taurus
NADP+ not Bos taurus