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1.1.1.159: 7alpha-hydroxysteroid dehydrogenase

This is an abbreviated version!
For detailed information about 7alpha-hydroxysteroid dehydrogenase, go to the full flat file.

Word Map on EC 1.1.1.159

Reaction

cholate
+
NAD+
=
3alpha,12alpha-dihydroxy-7-oxo-5beta-cholan-24-oate
+
NADH
+
H+

Synonyms

7-alpha-HSDH, 7-HSDH, 7alpha-HSD, 7alpha-HSDH, 7alpha-hydroxy steroid dehydrogenase, 7alpha-hydroxysteroid dehydrogenase, Bile acid-inducible protein, CA 7alpha-HSDH, Ca7alpha-HSDH, dehydrogenase, 7alpha-hydroxy steroid, J-1-1, NADP(H)-dependent 7alpha-HSDH, NADP(H)-dependent 7alpha-hydroxysteroid dehydrogenase, NADP+-dependent 7alpha-HSDH, nicotinamide adenine dinucleotide phosphate-dependent 7alpha-hydroxysteroid dehydrogenase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.159 7alpha-hydroxysteroid dehydrogenase

General Stability

General Stability on EC 1.1.1.159 - 7alpha-hydroxysteroid dehydrogenase

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GENERAL STABILITY
ORGANISM
UNIPROT
LITERATURE
inactivation by freezing
-
NAD+-dependent form lyophilized is stable to freezing/thawing, NADP+-dependent form lyophilized is unstable
-
stabilization by glutathione, EDTA
-
the relative activity of immobilized enzyme on aminoepoxy resin increases by approximately 80%. After 6 cycles, the residual activities of the enzyme immobilized on the amino-epoxy resin and epoxy resin are 81.4% and 89.5%, respectively