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H1506

Sigma-Aldrich

3α-Hydroxysteroid Dehydrogenase from Pseudomonas testosteroni

≥15 units/mg protein

Synonyme(s) :

3α-Hydroxysteroid:NAD(P)+ oxidoreductase

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About This Item

Numéro CAS:
9028-56-2
Numéro de classification (Commission des enzymes):
1.1.1.50 (BRENDA, IUBMB)
Numéro CE :
232-839-5
Numéro MDL:
MFCD00130298
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Source biologique

bacterial (Pseudomonas testosteroni)

Forme

lyophilized solid

Activité spécifique

≥15 units/mg protein

Produit purifié par

chromatography

Composition

Protein, ≥25%

Activité étrangère

β-hydroxysteroid dehydrogenase ≤0.5%
alcohol dehydrogenase ≤0.05%

Température de stockage

−20°C

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Application

3α-Hydroxysteroid Dehydrogenase from Pseudomonas testosterone has been used:
  • in the preparation of composite electrode platform to for the determination of androsterone
  • in potassium phosphate buffer for the bioluminescent assay of bile acids in serum
  • for total bile salts assay using an enzymatic method

Actions biochimiques/physiologiques

3α-hydroxysteroid dehydrogenase (3α-HSD) may help to modulate the occupancy of the androgen receptor (AR) in androgen target tissues. It may also act in hindering androgen action.

Définition de l'unité

One unit will oxidize 1.0 μmole of androsterone per min at pH 8.9 at 25 °C in the presence of β-NAD+.

Forme physique

Lyophilized powder containing potassium phosphate buffer salt, EDTA, and DL-dithiothreitol

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Certificats d'analyse (COA)

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Bin Li et al.
Proteins, 71(2), 670-683 (2007-11-03)
Experimentally determined protein tertiary structures are rapidly accumulating in a database, partly due to the structural genomics projects. Included are proteins of unknown function, whose function has not been investigated by experiments and was not able to be predicted by
Xiang Li et al.
Archives of pharmacal research, 30(7), 812-815 (2007-08-21)
Two novel lactones, Cephalosporolides H (1) and 1 (2), were isolated from the lyophilized culture broth of the marine-derived fungus, Penicillium sp. The structures were elucidated on the basis of extensive 1D- and 2D-NMR, as well as HRESI-MS spectroscopic analyses.
Expression and characterization of recombinant type 2 3alpha-hydroxysteroid dehydrogenase (HSD) from human prostate: demonstration of bifunctional 3alpha17beta-HSD activity and cellular distribution
Lin HK, et al.
Molecular Endocrinology, 11(13), 1971-1984 (1997)
Frank Hoffmann et al.
Journal of biotechnology, 129(1), 131-139 (2007-01-30)
3alpha-Hydroxysteroid dehydrogenase/carbonyl reductase (3alpha-HSD/CR) from Comamonas testosteroni belongs to the short chain dehydrogenase/reductase (SDR) protein superfamily and catalyzes the oxidoreduction of a variety of steroid substrates, including the steroid antibiotic fusidic acid. The enzyme also mediates the carbonyl reduction of
Brandon Bartling et al.
The Analyst, 134(5), 973-979 (2009-04-22)
An electrochemical sensor, based on thick-film screen-printed Ir/C working and counter electrodes, was developed for the detection of total bile acid concentration in a physiological fluid for potential patient management in patients with liver disease. Current electrochemical methods of detecting
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