General Stability | Organism |
---|---|
isoform Cat-1, very stable for months, resistant to denaturizing agents such as urea or guanidine-HCl | Neurospora crassa |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
3-amino-1H-1,2,4-triazole | - |
Aspergillus nidulans | |
3-amino-1H-1,2,4-triazole | 50% inactivation in 1 h | Neurospora crassa | |
hydroxyl radicals | inactivation of isoform Cat-1 | Neurospora crassa | |
KCN | isoform Cat-2, IC50: 0.146 mM, catalase activity, IC50: 0.168 mM, peroxidase activity | Neurospora crassa |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
13 | - |
H2O2 | isoform Cat-2 | Neurospora crassa |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
extracellular | isoform Cat-3 secreted | Neurospora crassa | - |
- |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
80000 | - |
- |
Neurospora crassa |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
H2O2 | Aspergillus nidulans | - |
O2 + H2O | - |
? | |
H2O2 | Neurospora crassa | two monofunctional catalases, Cat-1 and Cat-3, one catalase-peroxidase enzyme, Cat-2 | O2 + H2O | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus nidulans | - |
isoform CatA | - |
Neurospora crassa | - |
isoforms Cat-1, Cat-2, Cat-3 | - |
Neurospora crassa | Q8X182 | isoform Cat-2 | - |
Oxidation Stability | Organism |
---|---|
oxidation by singlet oxygen | Neurospora crassa |
Purification (Comment) | Organism |
---|---|
isoform Cat-2 | Neurospora crassa |
isoforms Cat-1, Cat-2, Cat-3 | Neurospora crassa |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cell culture | - |
Aspergillus nidulans | - |
cell culture | - |
Neurospora crassa | - |
conidium | isoform Cat-1 mainly present | Neurospora crassa | - |
conidium | isoform CatA | Aspergillus nidulans | - |
mycelium | isoform Cat-3 mainly present | Neurospora crassa | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
130 | - |
isoform Cat-2, peroxidase activity with 3,3-diaminobenzidine | Neurospora crassa |
470 | - |
isoform Cat-2, peroxidase activity with ascorbate | Neurospora crassa |
1300 | - |
isoform Cat-2, peroxidase activity with guaiacol | Neurospora crassa |
1600 | - |
isoform Cat-2, peroxidase activity with o-dianisidine | Neurospora crassa |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
3,3'-diaminobenzidine + H2O2 | isoform Cat-2 | Neurospora crassa | ? + H2O | - |
? | |
ascorbate + H2O2 | isoform Cat-2 | Neurospora crassa | ? + H2O | - |
? | |
H2O2 | - |
Aspergillus nidulans | O2 + H2O | - |
? | |
H2O2 | two monofunctional catalases, Cat-1 and Cat-3, one catalase-peroxidase enzyme, Cat-2 | Neurospora crassa | O2 + H2O | - |
? | |
o-dianisidine + H2O2 | isoform Cat-2 | Neurospora crassa | ? + H2O | - |
? | |
o-methoxyphenol + H2O2 | isoform Cat-2 | Neurospora crassa | ? + H2O | - |
? | |
o-methoxyphenol + H2O2 | i.e. guaiacol | Neurospora crassa | ? + H2O | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 80000, isoforms Cat-1, Cat-3 | Neurospora crassa |
Synonyms | Comment | Organism |
---|---|---|
CatA | - |
Aspergillus nidulans |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
100 | - |
isoform Cat-1, half-life: 70 min | Neurospora crassa |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
125000 | - |
H2O2 | isoform Cat-2 | Neurospora crassa |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4.75 | - |
isoform Cat-2, peroxidase activity | Neurospora crassa |
6.25 | - |
isoform Cat-2, catalase activity | Neurospora crassa |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
heme | - |
Aspergillus nidulans | |
heme | all isoforms have chlorine instead of ferro-protoheme IX at the active site | Neurospora crassa |
IC50 Value | IC50 Value Maximum | Comment | Organism | Inhibitor | Structure |
---|---|---|---|---|---|
0.168 | - |
isoform Cat-2, IC50: 0.146 mM, catalase activity, IC50: 0.168 mM, peroxidase activity | Neurospora crassa | KCN |