Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary extracted from

  • Kahn, V.; Pomerantz, S.H.
    Monophenolase activity of avocado polyphenol oxidase (1980), Phytochemistry, 19, 379-385.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.14.18.1 diethyldithiocarbamate 0.166 mM, 90% inhibition Persea americana

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.14.18.1 0.25
-
 dopamine
-
 Persea americana
1.14.18.1 0.55
-
 tyramine
-
 Persea americana
1.14.18.1 0.65
-
 p-Cresol
-
 Persea americana
1.14.18.1 0.9
-
 4-methylcatechol
-
 Persea americana
1.14.18.1 2
-
 L-tyrosine
-
 Persea americana
1.14.18.1 2
-
 D-tyrosine
-
 Persea americana
1.14.18.1 6
-
 L-Dopa
-
 Persea americana

Organism

EC Number Organism UniProt Comment Textmining
1.14.18.1 Persea americana
-
 avocado
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.18.1 fruit
-
 Persea americana
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.14.18.1 0.019
-
 partially purified enzyme, tyrosine hydroxylation Persea americana

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.18.1 4-methylcatechol + O2
-
 Persea americana 4-methyl-o-benzoquinone + H2O
-
 ?
1.14.18.1 D-tyrosine + O2
-
 Persea americana ?
-
 r
1.14.18.1 dopa + 1/2 O2
-
 Persea americana dopaquinone + H2O
-
 ?
1.14.18.1 dopamine + 1/2 O2
-
 Persea americana dopamine quinone + H2O
-
 ?
1.14.18.1 L-tyrosine + O2
-
 Persea americana L-DOPA + H2O
-
 r
1.14.18.1 p-cresol + O2
-
 Persea americana 4-methylpyrocatechol + H2O
-
 ?
1.14.18.1 tyramine + O2
-
 Persea americana dopamine + H2O
-
 r