Activating Compound | Comment | Organism | Structure |
---|---|---|---|
dithiothreitol | 1 mM, slight stimulation to 103% | Streptococcus mutans |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
ascorbate | 1 mM, 45% inhibition | Streptococcus mutans | |
Ca2+ | 0.1 mM, about 20% inhibition | Streptococcus mutans | |
Co2+ | 0.1 mM, 89% inhibition | Streptococcus mutans | |
Cr2+ | 0.1 mM, 92% inhibition | Streptococcus mutans | |
Cu2+ | 0.1 mM, complete inhibition | Streptococcus mutans | |
Hg2+ | 0.1 mM, complete inhibition | Streptococcus mutans | |
Mn2+ | 0.1 mM, about 20% inhibition | Streptococcus mutans | |
additional information | no significant inhibition at 0.1 mM, Ba2+, Ni2+, Fe2+ and Zn2+. Cysteine (1 mM), 1% inhibition | Streptococcus mutans | |
p-chloromercuribenzoate | 0.05 mM, complete inhibition | Streptococcus mutans | |
Sn2+ | 0.1 mM, complete inhibition | Streptococcus mutans |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.025 | - |
NADH | 30°C, pH 7.5 | Streptococcus mutans |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | 0.1 mM, 130% stimulation | Streptococcus mutans |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
50000 | - |
gel filtration | Streptococcus mutans |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
2 NADH + H+ + O2 | Streptococcus mutans | Streptococcus mutans NCBI 11723 contains two distinct NADH oxidase, a H2O2-forming and a H2O-forming enzyme | NAD+ + 2 H2O | - |
? | |
2 NADH + H+ + O2 | Streptococcus mutans NCBI 11723 | Streptococcus mutans NCBI 11723 contains two distinct NADH oxidase, a H2O2-forming and a H2O-forming enzyme | NAD+ + 2 H2O | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Streptococcus mutans | Q54453 | - |
- |
Streptococcus mutans NCBI 11723 | Q54453 | - |
- |
Purification (Comment) | Organism |
---|---|
- |
Streptococcus mutans |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
100.3 | - |
30°C, pH not specified in the publication | Streptococcus mutans |
Storage Stability | Organism |
---|---|
-80°C, 6 months, enzyme retaines full activity | Streptococcus mutans |
4°C. pH 7.0, 1 week, activity decreases by 80% | Streptococcus mutans |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2 NADH + H+ + O2 | Streptococcus mutans NCBI 11723 contains two distinct NADH oxidase, a H2O2-forming and a H2O-forming enzyme | Streptococcus mutans | NAD+ + 2 H2O | - |
? | |
2 NADH + H+ + O2 | the enzyme is highly specific for NADH, no activity with NADPH | Streptococcus mutans | NAD+ + 2 H2O | - |
? | |
2 NADH + H+ + O2 | Streptococcus mutans NCBI 11723 contains two distinct NADH oxidase, a H2O2-forming and a H2O-forming enzyme | Streptococcus mutans NCBI 11723 | NAD+ + 2 H2O | - |
? | |
2 NADH + H+ + O2 | the enzyme is highly specific for NADH, no activity with NADPH | Streptococcus mutans NCBI 11723 | NAD+ + 2 H2O | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 50000, SDS-PAGE | Streptococcus mutans |
Synonyms | Comment | Organism |
---|---|---|
H2O-forming NADH oxidase | - |
Streptococcus mutans |
Nox-2 | - |
Streptococcus mutans |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
- |
Streptococcus mutans |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | 50 | 30°C: about 60% of maximal activity, 50°C: about 65% of maximal activity | Streptococcus mutans |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
pH 7.0, 1 h, enzyme retains full activity | Streptococcus mutans |
55 | - |
pH 7.0, 1 h, activity markedly decreases | Streptococcus mutans |
60 | - |
10 min, enzyme retains 5% of its activity | Streptococcus mutans |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | 7.5 | - |
Streptococcus mutans |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6 | 9.3 | pH 6.0: about 60% of maximal activity, pH 9.3: about 50% of maximal activity | Streptococcus mutans |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
5 | 8 | 37°C, 1 h, the enzyme retains full activity at pH 7.0, but activity declines following incubation at either acidic or alkaline pH | Streptococcus mutans |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
FAD | contains 1 mol of FAD per monomer | Streptococcus mutans | |
NADH | the enzyme is highly specific for NADH, no activity with NADPH | Streptococcus mutans |
Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|
Streptococcus mutans | isoelectric focusing | - |
4.8 |
Organism | Comment | Expression |
---|---|---|
Streptococcus mutans | aerobically induced | up |