Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 1.11.1.6 extracted from

  • Frankenberg, L.; Brugna, M.; Hederstedt, L.
    Enterococcus faecalis heme-dependent catalase (2002), J. Bacteriol., 184, 6351-6356.
    View publication on PubMedView publication on EuropePMC

Activating Compound

Activating Compound Comment Organism Structure
hemin 0.002-0.01 mM required for half-maximal to maximal enzyme production Enterococcus faecalis

Cloned(Commentary)

Cloned (Comment) Organism
expression as His-tagged enzyme in constructed enzyme-deficient Bacillus subtilis strain BLF03, overexpression of wild-type and His-tagged enzyme in Enterococcus faecalis strain V583 utilizing an Escherichia coli-Enterococcus faecalis-shuttle plasmid Enterococcus faecalis

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Enterococcus faecalis 5737
-

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+ heme-containing enzyme Enterococcus faecalis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
54000
-
x * 54000, recombinant His-tagged enzyme, SDS-PAGE Enterococcus faecalis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
H2O2 Enterococcus faecalis detoxification enzyme, enzyme protects the cell against high concentrations of peroxide O2 + H2O
-
?

Organism

Organism UniProt Comment Textmining
Enterococcus faecalis
-
gene katA
-

Purification (Commentary)

Purification (Comment) Organism
recombinant His-tagged and wild-type enzymes from Bacillus subtilis strain BLF03, 195fold, and Enterococcus faecalis strain V583 Enterococcus faecalis

Source Tissue

Source Tissue Comment Organism Textmining
culture condition:heme-grown cell heme in the growth medium is absolutely required for enzyme expression Enterococcus faecalis
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Enterococcus faecalis
82
-
purified recombinant His-tagged enzyme expressed in Bacillus subtilis Enterococcus faecalis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2O2
-
Enterococcus faecalis O2 + H2O
-
?
H2O2 detoxification enzyme, enzyme protects the cell against high concentrations of peroxide Enterococcus faecalis O2 + H2O
-
?

Subunits

Subunits Comment Organism
? x * 54000, recombinant His-tagged enzyme, SDS-PAGE Enterococcus faecalis

Synonyms

Synonyms Comment Organism
KatA
-
Enterococcus faecalis
More enzyme belongs to the family of monofunctional catalases Enterococcus faecalis

Cofactor

Cofactor Comment Organism Structure
heme dependent on, contains 1 protoheme IX group per KatA 54 kDa polypeptide Enterococcus faecalis