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Literature summary for 1.3.1.22 extracted from

  • Graef, V.; Golf, S.W.; Tuschen, M.
    NADPH: 4-ene-3-oxosteroid-5alpha-reductase and NADH: 4-ene-3-oxosteroid-5alpha-reductase in liver microsomes of different species of animals (1981), J. Steroid Biochem., 14, 883-887.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Gallus gallus
-
-
microsome
-
Mus musculus
-
-
microsome
-
Homo sapiens
-
-
microsome
-
Rattus norvegicus
-
-
microsome
-
Sus scrofa
-
-
microsome
-
Oryctolagus cuniculus
-
-
microsome
-
Mesocricetus auratus
-
-
microsome
-
Chinchilla chinchilla
-
-

Organism

Organism UniProt Comment Textmining
Chinchilla chinchilla
-
-
-
Gallus gallus
-
-
-
Homo sapiens
-
-
-
Mesocricetus auratus
-
golden Hamster
-
Mus musculus
-
-
-
Oryctolagus cuniculus
-
-
-
Rattus norvegicus
-
-
-
Sus scrofa
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Gallus gallus
-
liver
-
Mus musculus
-
liver
-
Homo sapiens
-
liver
-
Rattus norvegicus
-
liver
-
Sus scrofa
-
liver
-
Oryctolagus cuniculus
-
liver
-
Mesocricetus auratus
-
liver
-
Chinchilla chinchilla
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.00148
-
female Mesocricetus auratus
0.00234
-
male Mesocricetus auratus
0.03413
-
female Rattus norvegicus
1090
-
male Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cholest-4-en-3-one + NADPH
-
Gallus gallus 5-alpha-cholestan-3-one + NADP+
-
?
cholest-4-en-3-one + NADPH
-
Mus musculus 5-alpha-cholestan-3-one + NADP+
-
?
cholest-4-en-3-one + NADPH
-
Homo sapiens 5-alpha-cholestan-3-one + NADP+
-
?
cholest-4-en-3-one + NADPH
-
Rattus norvegicus 5-alpha-cholestan-3-one + NADP+
-
?
cholest-4-en-3-one + NADPH
-
Sus scrofa 5-alpha-cholestan-3-one + NADP+
-
?
cholest-4-en-3-one + NADPH
-
Oryctolagus cuniculus 5-alpha-cholestan-3-one + NADP+
-
?
cholest-4-en-3-one + NADPH
-
Mesocricetus auratus 5-alpha-cholestan-3-one + NADP+
-
?
cholest-4-en-3-one + NADPH
-
Chinchilla chinchilla 5-alpha-cholestan-3-one + NADP+
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.2
-
female Homo sapiens
7
-
male Mesocricetus auratus
7.2
-
male Rattus norvegicus
7.2
-
male Chinchilla chinchilla

Cofactor

Cofactor Comment Organism Structure
NADPH
-
Gallus gallus
NADPH
-
Mus musculus
NADPH
-
Homo sapiens
NADPH
-
Rattus norvegicus
NADPH
-
Sus scrofa
NADPH
-
Oryctolagus cuniculus
NADPH
-
Mesocricetus auratus
NADPH
-
Chinchilla chinchilla