Protein Variants | Comment | Organism |
---|---|---|
Y111A | substantial increase in hexa-xoordinate low-spin heme with the appearance of a transition between the wild-type primarily high-spin and the N-terminal pure low-spin domain alone. Decrease in activity is for catalase activity more substantially than for peroxidase activity | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
3.5 | - |
H2O2 | wild-type, pH 7.0, 23°C | Escherichia coli | |
5.2 | - |
H2O2 | mutant Y111A, pH 7.0, 23°C | Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
bifunctional catalase-peroxidase KatG | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
H2O2 | - |
Escherichia coli | O2 + H2O | - |
? |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
2140 | - |
H2O2 | mutant Y111A, pH 7.0, 23°C | Escherichia coli | |
11000 | - |
H2O2 | wild-type, pH 7.0, 23°C | Escherichia coli |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
heme | in wild-type, primarily high-spin. In mutant Y111A, substantial increase in hexa-coordinate low-spin heme | Escherichia coli |