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Literature summary for 1.11.1.7 extracted from

  • Rani, D.N.; Abraham, T.E.
    Kinetics and thermal stability of two peroxidase isozymes from Eupatorium odoratum (2006), Appl. Biochem. Biotechnol., 128, 215-226.
    View publication on PubMed

General Stability

General Stability Organism
lyophilized peroxidase remains stable and active without any loss of activity for more than 2 years Chromolaena odorata

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.016
-
H2O2 30°C, pH 5.5, cosubstrate: pyrogallol, isoenzyme E5 Chromolaena odorata
0.21
-
reduced 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid) 30°C, pH 5.5, isoenzyme E5 Chromolaena odorata
0.28
-
H2O2 30°C, pH 5.5, cosubstrate: o-phenylenediamine, isoenzyme E5 Chromolaena odorata
0.35
-
H2O2 30°C, pH 5.5, cosubstrate: reduced 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid), isoenzyme E5 Chromolaena odorata
9
-
o-phenylenediamine 30°C, pH 5.5, isoenzyme E5 Chromolaena odorata
55.4
-
pyrogallol 30°C, pH 5.5, isoenzyme E5 Chromolaena odorata

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
43000
-
x * 43000, isoenzyme E5, SDS-PAGE Chromolaena odorata

Organism

Organism UniProt Comment Textmining
Chromolaena odorata
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein isoenzyme E5 contains 25% w/w carbohydrate Chromolaena odorata

Purification (Commentary)

Purification (Comment) Organism
-
Chromolaena odorata

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Chromolaena odorata
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
8987
-
isoenzyme E5 Chromolaena odorata

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information negligible activity with guaiacol, isoenzyme E5 Chromolaena odorata ?
-
?
o-phenylenediamine + H2O2 isoenzyme E5 Chromolaena odorata ?
-
?
pyrogallol + H2O2 isoenzyme E5 Chromolaena odorata purpurogallin + H2O
-
?
reduced 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid) + H2O2 isoenzyme E5 Chromolaena odorata oxidized 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid) + H2O
-
?

Subunits

Subunits Comment Organism
? x * 43000, isoenzyme E5, SDS-PAGE Chromolaena odorata

Synonyms

Synonyms Comment Organism
peroxidase isoenzyme E5
-
Chromolaena odorata

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
half-life: 239.1 h, isoenzyme E5 Chromolaena odorata
50
-
half-life: 52.2 h, isoenzyme E5 Chromolaena odorata
60
-
half-life: 15.8 h, isoenzyme E5 Chromolaena odorata
65
-
half-life: 2.8 h, isoenzyme E5 Chromolaena odorata

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
102.5
-
pyrogallol 30°C, pH 5.5, isoenzyme E5 Chromolaena odorata
744.6
-
o-phenylenediamine 30°C, pH 5.5, isoenzyme E5 Chromolaena odorata
2383
-
reduced 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid) 30°C, pH 5.5, isoenzyme E5 Chromolaena odorata

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
3.6 3.8 isoenzyme E5 Chromolaena odorata

pI Value

Organism Comment pI Value Maximum pI Value
Chromolaena odorata isoenzyme E5, isoelectric focusing
-
5