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H1506

Sigma-Aldrich

3α-Hydroxysteroid Dehydrogenase from Pseudomonas testosteroni

≥15 units/mg protein

Sinónimos:

3α-Hydroxysteroid:NAD(P)+ oxidoreductase

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About This Item

Número de CAS:
9028-56-2
Comisión internacional de enzimas:
1.1.1.50 (BRENDA, IUBMB)
EC Number:
232-839-5
MDL number:
MFCD00130298
UNSPSC Code:
12352204
NACRES:
NA.54

biological source

bacterial (Pseudomonas testosteroni)

form

lyophilized solid

specific activity

≥15 units/mg protein

purified by

chromatography

composition

Protein, ≥25%

foreign activity

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

storage temp.

−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

Biochem/physiol Actions

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.

Unit Definition

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

Physical form

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «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
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.
Bioluminescent assay for total bile acids in serum with use of bacterial luciferase.
Styrelius I, et al.
Clinical Chemistry, 29(6), 1123-1127 (1983)
Enzyme biosensor for androsterone based on 3alpha-hydroxysteroid dehydrogenase immobilized onto a carbon nanotubes/ionic liquid/NAD+ composite electrode
Mundaca RA, et al.
Talanta, 99(, 697-702 (2012)
Laurence Meyer et al.
Neurobiology of disease, 30(1), 30-41 (2008-02-23)
Identification of cellular targets pertinent for the development of effective therapies against pathological pain constitutes a difficult challenge. We combined several approaches to show that 3alpha-hydroxysteroid oxido-reductase (3alpha-HSOR), abundantly expressed in the spinal cord (SC), is a key target, the
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