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Literature summary for 1.1.1.145 extracted from

  • Pozzi, A.G.; Canosa, L.F.; Calvo, J.C.; Ceballos, N.R.
    Kinetic properties of microsomal 3beta hydroxysteroid dehydrogenase-isomerase from the testis of Bufo arenarum H (2000), J. Steroid Biochem. Mol. Biol., 73, 257-264.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
dehydroepiandrosterone 0.01 mM reduced conversion of pregnenolone to 50% Rhinella arenarum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00017
-
dehydroepiandrosterone
-
Rhinella arenarum
0.00102
-
pregnenolone
-
Rhinella arenarum

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Rhinella arenarum
-
-

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Rhinella arenarum
-
H.
-

Source Tissue

Source Tissue Comment Organism Textmining
testis
-
Rhinella arenarum
-

Substrates and Products (Substrate)

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

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Rhinella arenarum