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Literature summary for 1.3.1.22 extracted from

  • Tesone, A.J.; Regueira, E.; Canosa, L.F.; Ceballos, N.R.
    5alpha-Reductase, an enzyme regulating glucocorticoid action in the testis of Rhinella arenarum (Amphibia: Anura) (2012), Gen. Comp. Endocrinol., 176, 500-506.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
additional information enzyme is not inhibited by finasteride Rhinella arenarum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.000569
-
corticosterone pH 7.4, 28°C Rhinella arenarum
0.00119
-
testosterone pH 7.4, 28°C Rhinella arenarum

Localization

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

Organism

Organism UniProt Comment Textmining
Rhinella arenarum
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
testis
-
Rhinella arenarum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
corticosterone + NADPH + H+
-
Rhinella arenarum 5alpha-dihydrocorticosterone + NADP+
-
?
additional information neither Km nor Vmax for both corticosterone and testosterone are significantly different among reproductive periods Rhinella arenarum ?
-
?
testosterone + NADPH + H+
-
Rhinella arenarum 5alpha-dihydrotestosterone + NADP+
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 8
-
Rhinella arenarum