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Literature summary for 1.10.3.2 extracted from

  • Dong, J.L.; Zhang, Y.Z.
    Purification and characterization of two laccase isoenzymes from a ligninolytic fungus Trametes gallica (2004), Prep. Biochem. Biotechnol., 34, 179-194.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
azide complete inhibition Phlebia fascicularia
cyanide complete inhibition Phlebia fascicularia
EDTA partiall inhibition Phlebia fascicularia

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00086
-
2,6-dimethoxyphenol Lac II, 70°C, pH 3.0 Phlebia fascicularia
0.00118
-
2,6-dimethoxyphenol Lac I, 70°C, pH 3.0 Phlebia fascicularia
0.4
-
guaiacol Lac II, 70°C, pH 4.0 Phlebia fascicularia
0.405
-
guaiacol Lac I, 70°C, pH 4.0 Phlebia fascicularia
0.41
-
2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) Lac II, 70°C, pH 2.2 Phlebia fascicularia
0.42
-
2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) Lac I, 70°C, pH 2.2 Phlebia fascicularia

Metals/Ions

Metals/Ions Comment Organism Structure
copper contains 4 copper atoms per protein molecule Phlebia fascicularia

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
60000
-
gel filtration, isozymes Lac I and Lac II Phlebia fascicularia

Organism

Organism UniProt Comment Textmining
Phlebia fascicularia
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein Lac I, 3.6%, Lac II 4% carbohydrate content Phlebia fascicularia

Purification (Commentary)

Purification (Comment) Organism
isozymes Lac I, Lac II Phlebia fascicularia

Source Tissue

Source Tissue Comment Organism Textmining
culture supernatant two isozymes, growth on tryptone and glucose Phlebia fascicularia
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) + O2
-
Phlebia fascicularia ? + H2O
-
?
2,6-dimethoxyphenol + O2
-
Phlebia fascicularia ? + H2O
-
?
guaiacol + O2
-
Phlebia fascicularia ? + H2O
-
?

Subunits

Subunits Comment Organism
monomer 1 * 60000, SDS-PAGE, isozymes Lac I and Lac II Phlebia fascicularia

Synonyms

Synonyms Comment Organism
Lac I
-
no activity in Cavia porcellus
Lac II
-
no activity in Cavia porcellus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
70
-
Lac I and Lac II Phlebia fascicularia

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
stable below Phlebia fascicularia

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
2.2
-
Lac I and Lac II, substrate 2,2’-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) Phlebia fascicularia
3
-
Lac I and Lac II, substrate 2,6-dimethoxyphenol Phlebia fascicularia
4
-
Lac I and Lac II, substrate guaiacol Phlebia fascicularia

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 9 90% residual activity after 24 h incungation Phlebia fascicularia

pI Value

Organism Comment pI Value Maximum pI Value
Phlebia fascicularia isoelectric focusing, isozyme Lac II
-
3
Phlebia fascicularia isoelectric focusing, isozyme Lac I 4.8 4.7