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

BRENDA support

Literature summary for 1.11.1.1 extracted from

  • Dolin, M.I.
    DPNH peroxidase: effector activities of DPN (1977), Biochem. Biophys. Res. Commun., 78, 393-400.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
NAD+ prevents formation of unstable intermediate of the enzyme and lowers Km for H2O2 Enterococcus faecalis

General Stability

General Stability Organism
25°C, without H2O2 in assay system 85% loss of activity in 30 min Enterococcus faecalis

Inhibitors

Inhibitors Comment Organism Structure
NADH NADH converts the enzyme to an unstable intermediate that decays to inactive enzyme at suboptimal H2O2 concentrations Enterococcus faecalis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0068
-
NADH
-
Enterococcus faecalis
0.02
-
H2O2
-
Enterococcus faecalis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
60000
-
2 * 60000, calculation from FAD content Enterococcus faecalis

Organism

Organism UniProt Comment Textmining
Enterococcus faecalis
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
NADH + H2O2
-
Enterococcus faecalis NAD+ + H2O
-
?

Subunits

Subunits Comment Organism
dimer 2 * 60000, calculation from FAD content Enterococcus faecalis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
66.7
-
H2O2 calculated per flavin Enterococcus faecalis

Cofactor

Cofactor Comment Organism Structure
FAD
-
Enterococcus faecalis