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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)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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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
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)
Chiaki Hidai et al.
Bioprocess and biosystems engineering, 32(5), 569-573 (2008-11-20)
Developing methods that result in targeting of therapeutic molecules in gene therapies to target tissues has importance, as targeting can increase efficacy and decrease off target-side-effects. Work from my laboratory previously showed that the extracellular matrix protein Del1 is organized
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
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
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Protocoles

Enzymatic Assay of 3α-Hydroxysteroid Dehydrogenase with Androsterone (EC 1.1.1.50)

Enzymatic Assay of 3α-Hydroxysteroid Dehydrogenase with Androsterone (EC 1.1.1.50)

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