Activating Compound | Comment | Organism | Structure |
---|---|---|---|
histidine | stimulation | Escherichia coli | |
imidazole | 2fold activation at 10 mM | Escherichia coli | |
Tris | stimulation at 10 mM | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
3.9 | - |
H2O2 | - |
Escherichia coli |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
84000 | - |
4 * 84000, SDS-PAGE | Escherichia coli |
337000 | - |
sedimentation equillibrium analysis | Escherichia coli |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
H2O2 | Escherichia coli | bifunctional catalase-peroxidase | O2 + H2O | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Purification (Comment) | Organism |
---|---|
to homogeneity, chromatography steps | Escherichia coli |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cell culture | - |
Escherichia coli | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
15.2 | - |
peroxidatic activity | Escherichia coli |
1486 | - |
catalatic activity | Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
H2O2 | bifunctional catalase-peroxidase | Escherichia coli | O2 + H2O | - |
? | |
o-dianisidine + H2O2 | peroxidatic activity | Escherichia coli | ? + H2O | - |
? |
Subunits | Comment | Organism |
---|---|---|
tetramer | 4 * 84000, SDS-PAGE | Escherichia coli |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
16300 | - |
H2O2 | - |
Escherichia coli |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
peroxidatic activity | Escherichia coli |
7.5 | - |
catalatic activity | Escherichia coli |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
heme | 2.07 molecules protoheme IX per tetramer | Escherichia coli |