Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli | Mycobacterium tuberculosis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.13 | - |
ascorbate | pH 5.0, 23°C | Mycobacterium tuberculosis | |
0.2 | - |
pyrogallol | pH 5.0, 23°C | Mycobacterium tuberculosis | |
0.49 | - |
o-Dianisidine | pH 5.0, 23°C | Mycobacterium tuberculosis | |
0.7 | - |
3,3',5,5'-tetramethylbenzidine | pH 5.0, 23°C | Mycobacterium tuberculosis | |
0.8 | - |
H2O2 | no electron donor present, pH 5.0, 23°C | Mycobacterium tuberculosis | |
0.83 | - |
2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) | pH 5.0, 23°C | Mycobacterium tuberculosis | |
1.1 | - |
chlorpromazine | pH 5.0, 23°C | Mycobacterium tuberculosis | |
1.2 | - |
N,N,N',N'-tetramethyl-p-phenylenediamine | pH 5.0, 23°C | Mycobacterium tuberculosis |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Mycobacterium tuberculosis | - |
- |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2 H2O2 | - |
Mycobacterium tuberculosis | O2 + 2 H2O | - |
? | |
2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) + H2O2 | - |
Mycobacterium tuberculosis | ? + H2O | - |
? | |
3,3',5,5'-tetramethylbenzidine + H2O2 | - |
Mycobacterium tuberculosis | ? + H2O | - |
? | |
ascorbate + H2O2 | - |
Mycobacterium tuberculosis | monodehydroascorbate + H2O | - |
? | |
chlorpromazine + H2O2 | - |
Mycobacterium tuberculosis | ? + H2O | - |
? | |
additional information | presence of a low- and high-KM component for catalase activity at pH 5.0. Electron donors increase the apparent kcat for the low-KM component. During stimulated catalase activity, less than 0.008 equivalents of oxidized donor accumulate for every H2O2 consumed. A Fe(III)-O2 radical anion-like intermediate dominates during donor-stimulated catalatic turnover, and this intermediate converts directly to the ferric state upon depletion of H2O2 | Mycobacterium tuberculosis | ? | - |
? | |
N,N,N',N'-tetramethyl-p-phenylenediamine + H2O2 | - |
Mycobacterium tuberculosis | ? + H2O | - |
? | |
o-dianisidine + H2O2 | - |
Mycobacterium tuberculosis | ? + H2O | - |
? | |
pyrogallol + H2O2 | - |
Mycobacterium tuberculosis | ? + H2O | - |
? |
Synonyms | Comment | Organism |
---|---|---|
KatG | - |
Mycobacterium tuberculosis |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
520 | - |
ascorbate | pH 5.0, 23°C | Mycobacterium tuberculosis | |
570 | - |
H2O2 | no electron donor present, pH 5.0, 23°C | Mycobacterium tuberculosis | |
630 | - |
pyrogallol | pH 5.0, 23°C | Mycobacterium tuberculosis | |
3300 | - |
2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) | pH 5.0, 23°C | Mycobacterium tuberculosis | |
5220 | - |
3,3',5,5'-tetramethylbenzidine | pH 5.0, 23°C | Mycobacterium tuberculosis | |
5600 | - |
o-Dianisidine | pH 5.0, 23°C | Mycobacterium tuberculosis | |
7012 | - |
N,N,N',N'-tetramethyl-p-phenylenediamine | pH 5.0, 23°C | Mycobacterium tuberculosis | |
7940 | - |
chlorpromazine | pH 5.0, 23°C | Mycobacterium tuberculosis |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
710 | - |
H2O2 | no electron donor present, pH 5.0, 23°C | Mycobacterium tuberculosis | |
1200 | - |
o-Dianisidine | pH 5.0, 23°C | Mycobacterium tuberculosis | |
3200 | - |
pyrogallol | pH 5.0, 23°C | Mycobacterium tuberculosis | |
3900 | - |
ascorbate | pH 5.0, 23°C | Mycobacterium tuberculosis | |
4000 | - |
2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) | pH 5.0, 23°C | Mycobacterium tuberculosis | |
6000 | - |
N,N,N',N'-tetramethyl-p-phenylenediamine | pH 5.0, 23°C | Mycobacterium tuberculosis | |
7200 | - |
chlorpromazine | pH 5.0, 23°C | Mycobacterium tuberculosis | |
7400 | - |
3,3',5,5'-tetramethylbenzidine | pH 5.0, 23°C | Mycobacterium tuberculosis |