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Literature summary for 3.1.6.6 extracted from

  • Takebe, I.
    Isolation and characterization of a new enzyme choline sulfatase (1961), J. Biochem., 50, 245-255.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Choline sulfate
-
Pseudomonas nitroreducens

Inhibitors

Inhibitors Comment Organism Structure
choline chloride some inhibition at higher concentration Pseudomonas nitroreducens
F- partial inhibition Pseudomonas nitroreducens
sulfite
-
Pseudomonas nitroreducens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
40
-
Choline sulfate
-
Pseudomonas nitroreducens

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ slight inhibition Pseudomonas nitroreducens
Co2+ complete inhibition Pseudomonas nitroreducens
Cu2+ complete inhibition Pseudomonas nitroreducens
Hg2+ complete inhibition Pseudomonas nitroreducens
Mg2+ slight inhibition Pseudomonas nitroreducens
Mn2+ slight inhibition Pseudomonas nitroreducens
Zn2+ complete inhibition Pseudomonas nitroreducens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
choline sulfate + H2O Pseudomonas nitroreducens substrate-induced choline + sulfate
-
?

Organism

Organism UniProt Comment Textmining
Pseudomonas nitroreducens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Pseudomonas nitroreducens

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0714
-
-
Pseudomonas nitroreducens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
amylose polysulfate + H2O slightly hydrolyzed Pseudomonas nitroreducens amylose + sulfate
-
?
choline sulfate + H2O
-
Pseudomonas nitroreducens choline + sulfate
-
?
choline sulfate + H2O substrate-induced Pseudomonas nitroreducens choline + sulfate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay Pseudomonas nitroreducens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.3
-
-
Pseudomonas nitroreducens

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 10 most stable at pH 6.6 Pseudomonas nitroreducens
6 10 inactvation af the enzyme at lower pH's, pH 10: about 50% of activity maximum Pseudomonas nitroreducens