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Literature summary for 1.11.1.6 extracted from

  • Dincer, A.; Aydemir, T.
    Purification and characterization of catalase from chard (Beta vulgaris var. cicla) (2001), J. Enzyme Inhib., 16, 165-175.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
2-mercaptoethanol 50% inhibition at 3 mM Beta vulgaris var. cicla
Cu2+ 47% inhibition at 0.2 mM Beta vulgaris var. cicla
dithiothreitol 50% inhibition at 10 mM Beta vulgaris var. cicla
Fe2+ 14% inhibition at 1.5 mM Beta vulgaris var. cicla
Glutaraldehyde 24% inactivation at 8% Beta vulgaris var. cicla
H2O2 55% inactivation at 10 mM in 60 min Beta vulgaris var. cicla
iodoacetamide 50% inhibition at 2 mM Beta vulgaris var. cicla
KCN 50% inhibition at 0.65 mM Beta vulgaris var. cicla
L-aspartic acid 92% inhibition at 30 mM Beta vulgaris var. cicla
L-Glutamic acid 84% inhibition at 30 mM Beta vulgaris var. cicla
Mn2+ 56% inhibition at 1 mM Beta vulgaris var. cicla
NaN3 50% inhibition at 0.0018 mM Beta vulgaris var. cicla
SDS 55% inhibition at 0.01% Beta vulgaris var. cicla
Urea 50% inhibition at 4 M in 3.5 min Beta vulgaris var. cicla

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
50
-
H2O2
-
Beta vulgaris var. cicla

Localization

Localization Comment Organism GeneOntology No. Textmining
peroxisome
-
Beta vulgaris var. cicla 5777
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
58500
-
4 * 58500, SDS-PAGE Beta vulgaris var. cicla
235000
-
gel filtration Beta vulgaris var. cicla

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
H2O2 Beta vulgaris var. cicla
-
O2 + H2O
-
?

Organism

Organism UniProt Comment Textmining
Beta vulgaris var. cicla
-
-
-

Purification (Commentary)

Purification (Comment) Organism
to homogeneity, chromatography steps Beta vulgaris var. cicla

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Beta vulgaris var. cicla
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
56950
-
-
Beta vulgaris var. cicla

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2O2
-
Beta vulgaris var. cicla O2 + H2O
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 58500, SDS-PAGE Beta vulgaris var. cicla

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Beta vulgaris var. cicla

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
half-life: 30 min Beta vulgaris var. cicla
60
-
half-life: 10 min Beta vulgaris var. cicla

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 8
-
Beta vulgaris var. cicla

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 8 stable for 60 min at 25°C, stability in basic media lower than in acidic media Beta vulgaris var. cicla

Cofactor

Cofactor Comment Organism Structure
heme
-
Beta vulgaris var. cicla