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Literature summary extracted from

  • Chandlee, J.M.; Tsaftaris, A.S.; Scandalios, J.G.
    Purification and partial characterization of three genetically defined catalases of maize (1983), Plant Sci. Lett., 29, 117-131.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.11.1.6 2-mercaptoethanol slight inhibition for all three isoforms at 10 mM Zea mays
1.11.1.6 3-amino-1H-1,2,4-triazole strong inhibition for isoforms Cat-1, Cat-2, 32% inhibition for isoform Cat-3 at 10 mM Zea mays
1.11.1.6 dithiothreitol slight inhibition at 10 mM for all three isoforms Zea mays
1.11.1.6 Endogenous inhibitor purified on catalase-Sepharose from bovine, different inhibition sensitivities for three isoforms Zea mays
1.11.1.6 KCN strong inhibition for all three isoforms at 1 mM Zea mays
1.11.1.6 NaN3 strong inhibition for all three isoforms at 0.001 mM Zea mays

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.11.1.6 60000
-
 4 * 60000, SDS-PAGE for all three isoforms Zea mays

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.11.1.6 H2O2 Zea mays three isoenzymes, Cat-1, Cat-2 and Cat-3 O2 + H2O
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.11.1.6 Zea mays
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.11.1.6 to homogeneity, three isoforms Zea mays

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.11.1.6 epicotyl from seeds Zea mays
-
1.11.1.6 kernel spadix Zea mays
-
1.11.1.6 scutellum from seeds Zea mays
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.11.1.6 H2O2 three isoenzymes, Cat-1, Cat-2 and Cat-3 Zea mays O2 + H2O
-
 ?

Subunits

EC Number Subunits Comment Organism
1.11.1.6 tetramer 4 * 60000, SDS-PAGE for all three isoforms Zea mays

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.11.1.6 45
-
 Cat-1 half-life: 12.5 min, Cat-3 half-life: 18 min, Cat-2 stable Zea mays

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.11.1.6 7 9 three isoforms Zea mays

pH Range

EC Number pH Minimum pH Maximum Comment Organism
1.11.1.6 4 13 isoform Cat-2 Zea mays
1.11.1.6 5 12 isoforms Cat-1, Cat-3 Zea mays

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
1.11.1.6 6 9 maximum stability within, isoform Cat-3 Zea mays
1.11.1.6 7 11 maximum stability within, isoform Cat-2 Zea mays
1.11.1.6 7 10 maximum stability within, isoform Cat-1 Zea mays