Cloned (Comment) | Organism |
---|---|
gene katP, expression of wild-type and mutant enzymes in strain XL-1 Blue and as His-tagged proteins in BL21(DE3) | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | stopped-flow kinetics, 25°C, pH 7.0 | Escherichia coli | |
3 | - |
H2O2 | peroxidase activity, pH 7.0, 25°C | Escherichia coli | |
27 | - |
H2O2 | catalase activity, pH 7.0, 25°C | Escherichia coli |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
periplasm | - |
Escherichia coli | - |
- |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Fe2+ | enzyme contains heme | Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
gene katP | - |
Posttranslational Modification | Comment | Organism |
---|---|---|
additional information | enzyme contains an N-terminal signal peptide comprising residues 24-38, clevage site is between residues 23 and 24 | Escherichia coli |
Purification (Comment) | Organism |
---|---|
recombinant His-tagged wild-type and mutant enzymes from strain BL21(DE3) by nickel affinity chromatography | Escherichia coli |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Escherichia coli |
Synonyms | Comment | Organism |
---|---|---|
catalase-peroxidase | - |
Escherichia coli |
KatP | - |
Escherichia coli |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
22 | - |
assay at room temperature | Escherichia coli |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
18000 | - |
H2O2 | catalase activity, pH 7.0, 22°C | Escherichia coli | |
26000 | - |
H2O2 | peroxidase activity, pH 7.0, 22°C | Escherichia coli |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | - |
aasay at, peroxidase activity | Escherichia coli |
7 | - |
assay at, catalase activity | Escherichia coli |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
4 | 6 | peroxidase activity | Escherichia coli |
6 | 8 | catalase activity | Escherichia coli |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
heme | - |
Escherichia coli |