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Literature summary for 1.11.1.6 extracted from

  • Moore, R.L.; Powell, L.J.; Goodwin, D.C.
    The kinetic properties producing the perfunctory pH profiles of catalase-peroxidases (2008), Biochim. Biophys. Acta, 1784, 900-907.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) inhibition is pH-dependent. Lowest concentration where inhibition is observed is 1.2 mM at pH 4.5, 0.6 mM at pH 4.3, 0.3 mM at pH 4.0 Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
bifunctional catalase-peroxidase KatG
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2O2
-
Escherichia coli O2 + H2O
-
?

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
11
-
H2O2 presence of 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid), pH 6.0 Escherichia coli
20
-
H2O2 presence of 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid), pH 5.5 Escherichia coli
24
-
H2O2 presence of o-dianisidine, pH 4.0 Escherichia coli
27
-
H2O2 presence of pyrogallol, pH 4.0 Escherichia coli
37
-
H2O2 presence of o-dianisidine, pH 4.5 Escherichia coli
44
-
H2O2 presence of pyrogallol, pH 4.5 Escherichia coli
55
-
H2O2 presence of 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid), pH 5.0 Escherichia coli
56
-
H2O2 presence of pyrogallol, pH 5.0 Escherichia coli
58
-
H2O2 presence of o-dianisidine, pH 5.0 Escherichia coli
64
-
H2O2 presence of pyrogallol, pH 5.5 Escherichia coli
69
-
H2O2 presence of o-dianisidine, pH 5.5 Escherichia coli
69
-
H2O2 presence of pyrogallol, pH 6.0 Escherichia coli
71
-
H2O2 presence of o-dianisidine, pH 6.0 Escherichia coli
92
-
H2O2 presence of 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid), pH 4.5 Escherichia coli
151
-
H2O2 presence of 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid), pH 4.0 Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
additional information
-
the apparent pH optimum is the intersection of the optimum for binding, 7.0, and the optimum for activity, 5.8 Escherichia coli