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Literature summary extracted from

  • Coggon, P.; Moss, G.A.; Sanderson, G.W.
    Tea catechol oxidase: isolation, purification and kinetic characterization (1973), Phytochemistry, 12, 1947-1955.
No PubMed abstract available

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.14.18.1 0.2
-
catechol
-
Camellia sinensis
1.14.18.1 0.7
-
pyrogallol
-
Camellia sinensis
1.14.18.1 1.4
-
epicatechin
-
Camellia sinensis
1.14.18.1 1.6
-
catechin
-
Camellia sinensis
1.14.18.1 2
-
epigallocatechin gallate
-
Camellia sinensis
1.14.18.1 2
-
epicatechin gallate
-
Camellia sinensis
1.14.18.1 2.2
-
epigallocatechin
-
Camellia sinensis

Organism

EC Number Organism UniProt Comment Textmining
1.14.18.1 Camellia sinensis
-
tea
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.14.18.1
-
Camellia sinensis

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.14.18.1 105
-
-
Camellia sinensis

Storage Stability

EC Number Storage Stability Organism
1.14.18.1 -40°C, 2 months, 60% loss of activity Camellia sinensis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.18.1 2 catechol + O2
-
Camellia sinensis 2 1,2-benzoquinone + 2 H2O
-
r
1.14.18.1 catechin + O2
-
Camellia sinensis catechin-O-quinone + H2O
-
r
1.14.18.1 epicatechin + O2
-
Camellia sinensis ?
-
?
1.14.18.1 epicatechin gallate + O2
-
Camellia sinensis ?
-
?
1.14.18.1 epigallocatechin + O2
-
Camellia sinensis epigallocatechin-O-quinone + H2O
-
r
1.14.18.1 epigallocatechin gallate + O2
-
Camellia sinensis ?
-
?
1.14.18.1 pyrogallol + O2
-
Camellia sinensis ?
-
r

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.14.18.1 5.7
-
substrate catechol Camellia sinensis