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Literature summary extracted from

  • Gandia-Herrero, F.; Nez-Atieanzar, M.J.; Cabanes, J.; Garcia-Carmona, F.; Escribano, J.
    Differential activation of a latent polyphenol oxidase mediated by sodium dodecyl sulfate (2005), J. Agric. Food Chem., 53, 6825-6830.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.10.3.1 Sodium dodecyl sulfate differential activation of the latent enzyme Beta vulgaris
1.14.18.1 Sodium dodecyl sulfate differential activation of the latent enzyme, 4fold for L-tyrosine and tyramine, 2fold for L-DOPA and dopamine Beta vulgaris

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.10.3.1 additional information
-
 additional information kinetic mechanism, general kinetic model Beta vulgaris
1.14.18.1 additional information
-
 additional information kinetic mechanism, general kinetic model Beta vulgaris

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.10.3.1 membrane bound Beta vulgaris 16020
-
1.10.3.1 soluble
-
 Beta vulgaris
-
-
1.14.18.1 membrane bound Beta vulgaris 16020
-
1.14.18.1 soluble
-
 Beta vulgaris
-
-

Organism

EC Number Organism UniProt Comment Textmining
1.10.3.1 Beta vulgaris
-
-
-
1.14.18.1 Beta vulgaris
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.10.3.1 root
-
 Beta vulgaris
-
1.14.18.1 root
-
 Beta vulgaris
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.10.3.1 4-methylcatechol + O2
-
 Beta vulgaris 4-methyl-1,2-benzoquinone + H2O
-
 ?
1.10.3.1 4-tert-butylcatechol + O2
-
 Beta vulgaris 4-tert-butyl-1,2-benzoquinone + H2O
-
 ?
1.10.3.1 catechol + 1/2 O2
-
 Beta vulgaris 1,2-benzoquinone + H2O
-
 ?
1.14.18.1 dopamine + O2
-
 Beta vulgaris ?
-
 ?
1.14.18.1 L-DOPA + O2
-
 Beta vulgaris ?
-
 ?
1.14.18.1 L-tyrosine + L-dopa + O2
-
 Beta vulgaris L-dopa + dopaquinone + H2O
-
 ?
1.14.18.1 tyramine + O2
-
 Beta vulgaris ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.10.3.1 diphenolase
-
 Beta vulgaris
1.10.3.1 polyphenol oxidase
-
 Beta vulgaris
1.10.3.1 PPO
-
 Beta vulgaris
1.14.18.1 monophenolase
-
 Beta vulgaris
1.14.18.1 More cf. EC 1.10.3.1 Beta vulgaris
1.14.18.1 tyrosinase
-
 Beta vulgaris

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.10.3.1 25
-
 assay at Beta vulgaris
1.14.18.1 25
-
 assay at Beta vulgaris

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.10.3.1 5.5
-
-
 Beta vulgaris
1.14.18.1 6 6.5 dependent on the substrate Beta vulgaris

pH Range

EC Number pH Minimum pH Maximum Comment Organism
1.10.3.1 3.5 7.5
-
 Beta vulgaris
1.14.18.1 3.5 7.5
-
 Beta vulgaris