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
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1.1.1.159
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chenodeoxycholic
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cholic
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testosteroni
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bacteroides
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thin-layer
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3alpha-hydroxysteroid
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synthesis
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fragilis
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7alpha-oh
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glycochenodeoxycholic
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nadp-dependent
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ursodeoxycholic
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perfringens
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degradation
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analysis
- 1.1.1.159
-
chenodeoxycholic
-
cholic
- testosteroni
- bacteroides
-
thin-layer
-
3alpha-hydroxysteroid
- synthesis
- fragilis
-
7alpha-oh
-
glycochenodeoxycholic
-
nadp-dependent
-
ursodeoxycholic
- perfringens
- degradation
- analysis
Reaction
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
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Cofactor
Cofactor on EC 1.1.1.159 - 7alpha-hydroxysteroid dehydrogenase
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NAD+
the enzyme sequence contains an N-terminal Gly-X-X-X-Gly-X-Gly cofactor-binding motif
NADP+
-
one enzyme form specific for NADP+, other form specific for NAD+
NADP+
cofactor binding site structure and active state structure of the NADP+ bound to the enzyme and enzyme mutants, overview. Residue Arg38 can form the stable cation-Pi interaction with the adenine ring of NADP+, and the cation-Pi interaction and hydrogen bonds between Arg38 and NADP+ have a significant anchor effect on the cofactor binding to CA 7alpha-HSDH. Residues Arg16, Arg38 and Arg194 mediate the cofactor specificity and recognition in right orientation