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Literature summary for 1.1.1.145 extracted from

  • Ford, H.C.; Engel, L.L.
    Purification and properties of the DELTA5-3-beta-hydroxysteroid dehydrogenase-isomerase system of sheep adrenal cortical microsomes (1974), J. Biol. Chem., 249, 1363-1368.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Ovis aries
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
40000
-
x * 40000, SDS-PAGE Ovis aries
300000
-
gel filtration of Triton X-100 solubilized enzyme Ovis aries

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
pregnenolone + NAD(P)+ Ovis aries
-
pregn-5-en-3,20-dione + NAD(P)H + H+
-
?

Organism

Organism UniProt Comment Textmining
Ovis aries
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Ovis aries

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.19
-
purification step D Ovis aries

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3beta,17alpha-dihydroxy-5-pregnen-20-one + NAD(P)+
-
Ovis aries 17alpha-hydroxypregn-5-ene-3,20-dione + NAD(P)H
-
?
pregnenolone + NAD(P)+
-
Ovis aries pregn-5-en-3,20-dione + NAD(P)H + H+
-
?

Subunits

Subunits Comment Organism
? x * 40000, SDS-PAGE Ovis aries

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Ovis aries