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Literature summary for 1.11.1.6 extracted from

  • Thompson, V.S.; Schaller, K.D.; Apel, W.A.
    Purification and characterization of a novel thermo-alkali-stable catalase from Thermus brockianus (2003), Biotechnol. Prog., 19, 1292-1299.
    View publication on PubMed

Application

Application Comment Organism
industry enzyme has potential for application in industrial bleaching processes to remove residual hydrogen peroxide from process streams Thermus brockianus

Inhibitors

Inhibitors Comment Organism Structure
3-Amino-1,2,4-triazole strong inhibition Thermus brockianus
CN- strong inhibition Thermus brockianus
additional information no inhibition by H2O2 up to 450 mM Thermus brockianus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
35.5
-
H2O2 pH 8.0, 70°C Thermus brockianus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
42500
-
4 * 42500, SDS-PAGE Thermus brockianus
178000
-
gel filtration Thermus brockianus

Organism

Organism UniProt Comment Textmining
Thermus brockianus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
3-step procedure, 65fold Thermus brockianus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5320
-
purified enzyme Thermus brockianus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2O2
-
Thermus brockianus O2 + H2O
-
?
additional information enzyme is easiliy reduced by dithionite, no peroxidase activity with o-dianisidine and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) Thermus brockianus ?
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 42500, SDS-PAGE Thermus brockianus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
90
-
-
Thermus brockianus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 94 inactive at 20°C Thermus brockianus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
80
-
pH 8.0, half-life: 330 h Thermus brockianus
90
-
pH 8.0, half-life: 3 h Thermus brockianus

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
360000
-
H2O2 pH 8.0, 70°C Thermus brockianus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Thermus brockianus

pH Range

pH Minimum pH Maximum Comment Organism
6 10
-
Thermus brockianus

pH Stability

pH Stability pH Stability Maximum Comment Organism
9
-
70°C, half-life: 510 h Thermus brockianus
10
-
70°C, half-life: 360 h Thermus brockianus

Cofactor

Cofactor Comment Organism Structure
heme c 8 molecules per teramer Thermus brockianus
additional information no protoheme IX Thermus brockianus