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Literature summary for 1.10.3.1 extracted from

  • Dedeoglu, N.; Guler, O.O.
    Differential in vitro inhibition of polyphenoloxidase from a wild edible mushroom Lactarius salmonicolor (2009), J. Enzyme Inhib. Med. Chem., 24, 464-470.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
sulfosalicylic acid
-
Lactarius salmonicolor

Inhibitors

Inhibitors Comment Organism Structure
beta-mercaptoethanol
-
Lactarius salmonicolor
glutathione
-
Lactarius salmonicolor
L-cysteine
-
Lactarius salmonicolor
L-tyrosine
-
Lactarius salmonicolor
oxalic acid
-
Lactarius salmonicolor
p-aminobenzenesulfonamide
-
Lactarius salmonicolor
syringic acid
-
Lactarius salmonicolor

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.809
-
4-methylcatechol
-
Lactarius salmonicolor
9.465
-
pyrogallol
-
Lactarius salmonicolor
25
-
catechol
-
Lactarius salmonicolor

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
65000
-
SDS-PAGE Lactarius salmonicolor

Organism

Organism UniProt Comment Textmining
Lactarius salmonicolor
-
-
-

Purification (Commentary)

Purification (Comment) Organism
using a Sepharose 4B-L-tyrosine-p-amino benzoic acid affinity column Lactarius salmonicolor

Source Tissue

Source Tissue Comment Organism Textmining

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 catechol + O2
-
Lactarius salmonicolor 2 1,2-benzoquinone + 2 H2O
-
?
4-methylcatechol + O2
-
Lactarius salmonicolor ?
-
?
pyrogallol + O2
-
Lactarius salmonicolor ?
-
?

Synonyms

Synonyms Comment Organism
LsPPO
-
Lactarius salmonicolor
polyphenoloxidase
-
Lactarius salmonicolor

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
5
-
incubation time: 5 min, optimal temperature depends on incubation time Lactarius salmonicolor
25
-
assay at Lactarius salmonicolor
30
-
incubation time: 40 min, optimal temperature depends on incubation time Lactarius salmonicolor

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
5 50
-
Lactarius salmonicolor

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
substrate: 4-methylcatechol, optimal pH is dependent of the substrate Lactarius salmonicolor
7
-
substrate: catechol, optimal pH is dependent of the substrate Lactarius salmonicolor
7.5
-
substrate: pyrogallol 4-methylcatechol, optimal pH is dependent of the substrate Lactarius salmonicolor

pH Range

pH Minimum pH Maximum Comment Organism
4.5 11
-
Lactarius salmonicolor

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.0000743
-
oxalic acid
-
Lactarius salmonicolor
0.00067
-
glutathione
-
Lactarius salmonicolor
0.0031
-
beta-mercaptoethanol
-
Lactarius salmonicolor
0.0145
-
L-cysteine
-
Lactarius salmonicolor
0.0214
-
syringic acid
-
Lactarius salmonicolor
0.0267
-
p-aminobenzenesulfonamide
-
Lactarius salmonicolor
1.75
-
L-tyrosine
-
Lactarius salmonicolor

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
0.00038
-
-
Lactarius salmonicolor L-tyrosine
0.12
-
-
Lactarius salmonicolor oxalic acid
0.15
-
-
Lactarius salmonicolor L-cysteine
0.23
-
-
Lactarius salmonicolor p-aminobenzenesulfonamide
0.4
-
-
Lactarius salmonicolor syringic acid
0.49
-
-
Lactarius salmonicolor beta-mercaptoethanol
0.91
-
-
Lactarius salmonicolor glutathione