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Literature summary for 1.1.1.159 extracted from

  • Ji, S.; Pan, Y.; Zhu, L.; Tan, J.; Tang, S.; Yang, Q.; Zhang, Z.; Lou, D.; Wang, B.
    A novel 7alpha-hydroxysteroid dehydrogenase Magnesium ion significantly enhances its activity and thermostability (2021), Int. J. Biol. Macromol., 177, 111-118 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli unidentified microorganism

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ magnesium ion significantly enhances activity and thermostability of the enzyme. The enzymatic activity increases 40fold in the presence of 50 mM Mg2+, and T0.5 increases by approximately 6°C unidentified microorganism

Organism

Organism UniProt Comment Textmining
unidentified microorganism
-
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
20
-
with ethyl benzoylacetate as substrate, at pH 10.5, temperature not specified in the publication unidentified microorganism
188.3
-
with taurochenodeoxycholic acid as substrate, at pH 10.5, temperature not specified in the publication unidentified microorganism
217.6
-
with glycochenodeoxycholic acid as substrate, at pH 10.5, temperature not specified in the publication unidentified microorganism

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ethyl benzoylacetate + NAD(P)+
-
unidentified microorganism ?
-
?
glycochenodeoxycholic acid + NAD(P)+
-
unidentified microorganism ?
-
?
taurochenodeoxycholic acid + NAD(P)+
-
unidentified microorganism tauroursodeoxycholic acid + NAD(P)H + H+
-
?

Synonyms

Synonyms Comment Organism
7alpha-HSDH
-
unidentified microorganism
J-1-1
-
unidentified microorganism
NADP(H)-dependent 7alpha-HSDH
-
unidentified microorganism

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
73% of the enzyme activity is maintained after heat treatment at 40°C for 100 h unidentified microorganism

Cofactor

Cofactor Comment Organism Structure
NAD+
-
unidentified microorganism
NADP+
-
unidentified microorganism