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Literature summary for 1.11.1.6 extracted from

  • Tayefi-Nasrabadi, H.
    Catalytic properties of three catalases from kohlrabi (Brassica oleracea gongylodes) (2008), Afr. J. Biotechnol., 7, 472-475.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
azide
-
Brassica oleracea var. gongylodes
cyanide
-
Brassica oleracea var. gongylodes

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.64
-
H2O2 second isoform, 25°C, pH 6.5 Brassica oleracea var. gongylodes
1
-
H2O2 first isoform, 25°C, pH 4.5 Brassica oleracea var. gongylodes
13.4
-
H2O2 third isoform, 25°C, pH 10.0 Brassica oleracea var. gongylodes

Organism

Organism UniProt Comment Textmining
Brassica oleracea var. gongylodes
-
three enzyme isoforms
-

Source Tissue

Source Tissue Comment Organism Textmining
bulb
-
Brassica oleracea var. gongylodes
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2O2
-
Brassica oleracea var. gongylodes O2 + H2O
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
70
-
30 min, 40% loss of activity for the first, 60% loss for the second, and 75% for the third isoform, respectively Brassica oleracea var. gongylodes

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5
-
optimum of first isoform Brassica oleracea var. gongylodes
6.5
-
optimum of second isoform Brassica oleracea var. gongylodes
10
-
optimum of third isoform Brassica oleracea var. gongylodes

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
0.01
-
first isoform, 25°C, pH 4.5 Brassica oleracea var. gongylodes azide
0.075
-
second isoform, 25°C, pH 6.5 Brassica oleracea var. gongylodes azide
0.2
-
second isoform, 25°C, pH 6.5 Brassica oleracea var. gongylodes cyanide
1
-
third isoform, 25°C, pH 10.0 Brassica oleracea var. gongylodes azide
2
-
third isoform, 25°C, pH 10.0 Brassica oleracea var. gongylodes cyanide
12
-
first isoform, 25°C, pH 4.5 Brassica oleracea var. gongylodes cyanide