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Literature summary for 1.14.18.1 extracted from

  • Xue, C.B.; Luo, W.C.; Chen, Q.X.; Wang, Q.; Ke, L.N.
    Enzymatic properties of phenoloxidase from Pieris rapae (Lepidoptera) larvae (2006), Insect Sci., 13, 251-256.
No PubMed abstract available

Application

Application Comment Organism
additional information phenoloxidase inhibitors are increasingly used in medicinal and cosmetic products Pieris rapae

Inhibitors

Inhibitors Comment Organism Structure
4-dodecylresorcinol reversible and competitive inhibition, IC50: 0.00112 mM Pieris rapae
4-hexylresorcinol reversible and competitive inhibition, IC50: 0.00150 mM Pieris rapae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.8
-
L-Dopa pH 6.8, 37°C Pieris rapae

Metals/Ions

Metals/Ions Comment Organism Structure
Cu2+ a copper containing bifunctional enzyme Pieris rapae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-DOPA + O2 Pieris rapae
-
?
-
?

Organism

Organism UniProt Comment Textmining
Pieris rapae
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
larva
-
Pieris rapae
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-DOPA + O2
-
Pieris rapae ?
-
?
L-DOPA + O2 i.e. L-3, 4-dihydroxyphenylalanine Pieris rapae ?
-
?
additional information the enzyme catalyzes the hydroxylation of monophenols to o-diphenols, monophenolase activity EC 1.14.18.1, and the oxidation of the o-diphenols to o-quinones, diphenolase activity EC 1.10.3.1, cross-reaction analysis, overview Pieris rapae ?
-
?

Synonyms

Synonyms Comment Organism
More cf. EC 1.10.3.1 Pieris rapae
phenoloxidase
-
Pieris rapae

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
42
-
-
Pieris rapae

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
37
-
partially purified enzyme, stable up to Pieris rapae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Pieris rapae

pH Stability

pH Stability pH Stability Maximum Comment Organism
6.5 7.4 partially purified enzyme, stable at Pieris rapae

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
additional information
-
additional information inhibition kinetics Pieris rapae
0.00047
-
4-dodecylresorcinol pH 6.8, 37°C Pieris rapae
0.0005
-
4-hexylresorcinol pH 6.8, 37°C Pieris rapae

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
0.00112
-
reversible and competitive inhibition, IC50: 0.00112 mM Pieris rapae 4-dodecylresorcinol
0.0015
-
reversible and competitive inhibition, IC50: 0.00150 mM Pieris rapae cyclohex-2-ene-1-carbonyl-CoA