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Literature summary for 4.2.1.62 extracted from

  • Topham, R.W.; Gaylor, J.L.
    Further characterization of the 5alpha-hydroxysterol dehydrase of yeast (1972), Biochem. Biophys. Res. Commun., 47, 180-186.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
additional information no requirement Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.17
-
5alpha-Ergosta-7,22-diene-3beta,5alpha-diol
-
Saccharomyces cerevisiae

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Reaction

Reaction Comment Organism Reaction ID
5alpha-Ergosta-7,22-diene-3beta,5-diol = ergosterol + H2O mechanism Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5alpha,8alpha-Epidioxyergosta-6,22-diene-3beta-ol
-
Saccharomyces cerevisiae Ergosterol + H2O
-
?
5alpha-Ergosta-7,22-diene-3beta,5alpha-diol
-
Saccharomyces cerevisiae Ergosterol + H2O
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
enzyme assay at Saccharomyces cerevisiae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.4
-
enzyme assay at Saccharomyces cerevisiae