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12-Alpha-Hydroxysteroid Dehydrogenase (12aHSD)

Английские синонимы
HSD12a
Eubacterium lentum was shown to contain 3aHSD-and 12aHSD both of which were NAD-dependent and active against conjugated and unconjugated bile salts. Yields of hydroxysteroid dehydrogenase were optimal in the range of 0.50-0.75% arginine; however, the growth of the organisms was further enhanced at arginine concentrations greater than 0.75%. The 12alpha-hydroxysteroid dehydrogenase was heat labile and could be selectively inactivated by heating at 50 degrees C for 45 min. Both the heated enzyme preparation and the unheated enzyme preparation were useful in the spectrophotometric quantification of bile salts. The optimal pH values for 3alpha- and 12alpha-hydroxysteroid dehydrogenases were 11.3 and 10.2, respectively. Kinetic studies have Km estimates of 2.10(-5) M and 1.0.10(-4) M with 3alpha,7alpha-dihydroxy-5beta-cholanoyl glycine and 7alpha,12alpha-dihydroxy-5beta-cholanoate for the two respective enzymes.
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Sandwich ELISA for 12-Alpha-Hydroxysteroid Dehydrogenase (12aHSD)
Организм:
Человек
Артикул:
SES428Hu
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Sandwich CLIA for 12-Alpha-Hydroxysteroid Dehydrogenase (12aHSD)
Организм:
Человек
Артикул:
SCS428Hu
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