12α-Hydroxysteroid dehydrogenase, bacillus sphaericus

12α-Hydroxysteroid dehydrogenase, bacillus sphaericus is a dehydrogenase expressed in Bacillus sphaericus. 12α-Hydroxysteroid dehydrogenase, bacillus sphaericus is NAD-dependent and is active on both bound and unbound bile salts. This enzyme can be used to measure the concentration of 12α-hydroxy bile acids in serum.