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Literature summary for 1.11.1.18 extracted from

  • Hara, I.; Sakurai, T.
    Isolation and characterization of vanadium bromoperoxidase from a marine macroalga, Ecklonia stolonifera (1998), J. Inorg. Biochem., 72, 23-28.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
Ecklonia cava subsp. stolonifera
Fe2+
-
Ecklonia cava subsp. stolonifera
Fe3+
-
Ecklonia cava subsp. stolonifera

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00012
-
monochlorodimedone pH 6, 25°C Ecklonia cava subsp. stolonifera
0.001
-
Br- pH 6, 25°C Ecklonia cava subsp. stolonifera
0.052
-
H2O2 pH 6, 25°C Ecklonia cava subsp. stolonifera

Metals/Ions

Metals/Ions Comment Organism Structure
Vanadium requires vanadium for enzyme activity. The enzyme activity increases ca. 250% with the action of V5+ on the isolated enzyme, since more than 2/3 of the protein molecules are in the apo form. This effect of V5+ addition is inhibited in phosphate buffer, probably because phosphate and vanadate compete for the active site Ecklonia cava subsp. stolonifera

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
83000
-
x * 83000, SDS-PAGE Ecklonia cava subsp. stolonifera

Organic Solvent Stability

Organic Solvent Comment Organism
1-propanol completely intact in the presence of 50% methanol Ecklonia cava subsp. stolonifera
Ethanol completely intact in the presence of 50% methanol Ecklonia cava subsp. stolonifera
Methanol completely intact in the presence of 50% methanol Ecklonia cava subsp. stolonifera

Organism

Organism UniProt Comment Textmining
Ecklonia cava subsp. stolonifera
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Ecklonia cava subsp. stolonifera

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
32.5
-
-
Ecklonia cava subsp. stolonifera

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Br- + H2O2 + 1,1-dimethyl-4-chloro-3,5-cyclohexanedione i.e. monochlorodimedone Ecklonia cava subsp. stolonifera ?
-
?

Subunits

Subunits Comment Organism
? x * 83000, SDS-PAGE Ecklonia cava subsp. stolonifera

Synonyms

Synonyms Comment Organism
vanadium bromoperoxidase
-
Ecklonia cava subsp. stolonifera

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
68
-
Tm-value Ecklonia cava subsp. stolonifera
80
-
10 min, complete loss of activity Ecklonia cava subsp. stolonifera

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
-
Ecklonia cava subsp. stolonifera