Activating Compound | Comment | Organism | Structure |
---|---|---|---|
ammonium sulfate | additions of ammonium sulfate even at weak concentrations (10 to 70 mM) stimulate catalatic activity measured in the presence of 1.5 M NaC1 by about 30% | Haloarcula marismortui | |
NaCl | with NaC1, maximum activity is observed near 0.5-0.7 M | Haloarcula marismortui |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
additional information | no inhibition of the catalase activity of hCP is seen with 3-amino-l,2,4-triazole | Haloarcula marismortui | |
NaCl | the peroxidatic activity on diaminobenzidine shows a continuous decrease with increasing NaCl concentration | Haloarcula marismortui |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.5 | - |
H2O2 | peroxidatic activity, pH 6.0, 25°C | Haloarcula marismortui | |
2.5 | - |
H2O2 | catalatic activity, pH 7.5, 25°C | Haloarcula marismortui |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
81290 | - |
mass spectrometry | Haloarcula marismortui |
94000 | - |
SDS-PAGE | Haloarcula marismortui |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Haloarcula marismortui | - |
- |
- |
Purification (Comment) | Organism |
---|---|
Sepharose column chromatography, DEAE cellulose column chromatography, dialysis, hydroxyapatite column chromatography, and ACA 44 gel filtration | Haloarcula marismortui |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
5 | - |
crude extract, catalatic activity, at 20°C and pH 7.5, in the presence of 1.5 M NaC1 | Haloarcula marismortui |
851 | - |
after 170fold purification, catalatic activity, at 20°C and pH 7.5, in the presence of 1.5 M NaC1 | Haloarcula marismortui |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) + H2O2 | - |
Haloarcula marismortui | oxidized 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) + H2O | - |
? | |
diaminobenzidine + H2O2 | - |
Haloarcula marismortui | oxidized diaminobenzidine + H2O | - |
? | |
guaiacol + H2O2 | - |
Haloarcula marismortui | tetraguaiacol + H2O | - |
? | |
H2O2 | - |
Haloarcula marismortui | O2 + H2O | - |
? | |
o-dianisidine + H2O2 | - |
Haloarcula marismortui | oxidized o-dianisidine + H2O | - |
? | |
pyrogallol + H2O2 | - |
Haloarcula marismortui | ? + H2O | - |
? |
Synonyms | Comment | Organism |
---|---|---|
HCP | - |
Haloarcula marismortui |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6 | - |
peroxidatic activity in the absence of NaCl, with diaminobenzidine as electron donor | Haloarcula marismortui |
7.5 | - |
catalatic activity in molar concentrations of NaCl, with diaminobenzidine as electron donor | Haloarcula marismortui |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
heme | - |
Haloarcula marismortui |