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Literature summary for 1.14.18.1 extracted from

  • Shimizu, M.M.; Melo, G.A.; Brombini Dos Santos, A.; Bottcher, A.; Cesarino, I.; Araujo, P.; Magalhaes Silva Moura, J.C.; Mazzafera, P.
    Enzyme characterisation, isolation and cDNA cloning of polyphenol oxidase in the hearts of palm of three commercially important species (2011), Plant Physiol. Biochem., 49, 970-977.
    View publication on PubMed
Search for more literature for 1.14.18.1

Activating Compound

Activating Compound Comment Organism Structure
SDS
-
 Euterpe oleracea
SDS
-
 Bactris gasipaes
SDS
-
 Euterpe edulis

Inhibitors

Inhibitors Comment Organism Structure
cetyl trimethylammonium bromide
-
 Bactris gasipaes
cetyl trimethylammonium bromide
-
 Euterpe edulis
cetyl trimethylammonium bromide
-
 Euterpe oleracea
Salicylhydroxamic acid reversible competitive inhibition Bactris gasipaes
Salicylhydroxamic acid reversible competitive inhibition Euterpe edulis
Salicylhydroxamic acid reversible competitive inhibition Euterpe oleracea
tropolone
-
 Bactris gasipaes
tropolone
-
 Euterpe edulis
tropolone
-
 Euterpe oleracea

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.53
-
 chlorogenic acid pH 6.0, 30°C Bactris gasipaes
1.19
-
 chlorogenic acid pH 6.0, 30°C Euterpe edulis
1.91
-
 chlorogenic acid pH 6.0, 30°C Euterpe oleracea

Organism

Organism UniProt Comment Textmining
Bactris gasipaes
-
 common name Pupunha
-
Euterpe edulis Q45NF5 common name Jucara
-
Euterpe oleracea Q3YJ63 common name Acai
-

Purification (Commentary)

Purification (Comment) Organism
partial purification by G25 Sephadex gel filtration Euterpe oleracea
partial purification by G25 Sephadex gel filtration Bactris gasipaes
partial purification by G25 Sephadex gel filtration Euterpe edulis

Source Tissue

Source Tissue Comment Organism Textmining
apical meristem palmito, the edible part of the apical meristem of palms Euterpe oleracea
-
apical meristem palmito, the edible part of the apical meristem of palms Bactris gasipaes
-
apical meristem palmito, the edible part of the apical meristem of palms Euterpe edulis
-
leaf
-
 Euterpe oleracea
-
leaf
-
 Bactris gasipaes
-
leaf
-
 Euterpe edulis
-
stem
-
 Euterpe oleracea
-
stem
-
 Bactris gasipaes
-
stem
-
 Euterpe edulis
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-methylcatechol + O2 good substrate Euterpe oleracea 4-methyl-1,2-benzoquinone + H2O
-
 ?
4-methylcatechol + O2 good substrate Bactris gasipaes 4-methyl-1,2-benzoquinone + H2O
-
 ?
4-methylcatechol + O2 good substrate Euterpe edulis 4-methyl-1,2-benzoquinone + H2O
-
 ?
caffeic acid + O2
-
 Euterpe oleracea ?
-
 ?
caffeic acid + O2
-
 Bactris gasipaes ?
-
 ?
caffeic acid + O2
-
 Euterpe edulis ?
-
 ?
catechin + O2
-
 Euterpe oleracea ?
-
 ?
catechin + O2
-
 Bactris gasipaes ?
-
 ?
catechin + O2
-
 Euterpe edulis ?
-
 ?
catechol + O2
-
 Euterpe oleracea ?
-
 ?
catechol + O2
-
 Bactris gasipaes ?
-
 ?
catechol + O2
-
 Euterpe edulis ?
-
 ?
chlorogenic acid + O2 best substrate Euterpe oleracea ?
-
 ?
chlorogenic acid + O2 best substrate Bactris gasipaes ?
-
 ?
chlorogenic acid + O2 best substrate Euterpe edulis ?
-
 ?
coumaric acid + O2
-
 Euterpe oleracea ?
-
 ?
coumaric acid + O2
-
 Bactris gasipaes ?
-
 ?
coumaric acid + O2
-
 Euterpe edulis ?
-
 ?
dopamine + O2
-
 Euterpe oleracea ?
-
 ?
dopamine + O2
-
 Bactris gasipaes ?
-
 ?
dopamine + O2
-
 Euterpe edulis ?
-
 ?
hydroxyquinone + O2
-
 Euterpe oleracea ?
-
 ?
hydroxyquinone + O2
-
 Bactris gasipaes ?
-
 ?
hydroxyquinone + O2
-
 Euterpe edulis ?
-
 ?
L-DOPA + O2
-
 Euterpe oleracea ?
-
 ?
L-DOPA + O2
-
 Bactris gasipaes ?
-
 ?
L-DOPA + O2
-
 Euterpe edulis ?
-
 ?
L-tyrosine + O2
-
 Euterpe oleracea L-DOPA + H2O
-
 ?
L-tyrosine + O2
-
 Bactris gasipaes L-DOPA + H2O
-
 ?
L-tyrosine + O2
-
 Euterpe edulis L-DOPA + H2O
-
 ?
protocatechuic acid + O2
-
 Euterpe oleracea ?
-
 ?
protocatechuic acid + O2
-
 Bactris gasipaes ?
-
 ?
protocatechuic acid + O2
-
 Euterpe edulis ?
-
 ?
syringaldazine + O2
-
 Euterpe oleracea ?
-
 ?
syringaldazine + O2
-
 Bactris gasipaes ?
-
 ?
syringaldazine + O2
-
 Euterpe edulis ?
-
 ?

Synonyms

Synonyms Comment Organism
polyphenol oxidase
-
 Euterpe oleracea
polyphenol oxidase
-
 Bactris gasipaes
polyphenol oxidase
-
 Euterpe edulis
PPO
-
 Euterpe oleracea
PPO
-
 Bactris gasipaes
PPO
-
 Euterpe edulis
PPO1
-
 Euterpe oleracea
PPO1
-
 Bactris gasipaes
PPO1
-
 Euterpe edulis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25 30
-
 Euterpe oleracea
25 30
-
 Bactris gasipaes
25 30
-
 Euterpe edulis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50 90 about 20% loss of activity after 35 min at 50°C, about 30% loss of activity after 5 min at 70°C, about 80% loss of activity after 5 min at 90°C Euterpe oleracea
50 90 about 20% loss of activity after 35 min at 50°C, about 35% loss of activity after 5 min at 70°C, about 90% loss of activity after 5 min at 90°C Euterpe edulis
50 90 sharp loss of activity (about 50%) after 15 min at 50°C and 5 min at 70°C, no activity after 5 min at 90°C Bactris gasipaes

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
 Euterpe oleracea
6
-
-
 Bactris gasipaes
6
-
-
 Euterpe edulis

pH Range

pH Minimum pH Maximum Comment Organism
5 7
-
 Euterpe oleracea
5 7
-
 Bactris gasipaes
5 7
-
 Euterpe edulis

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.00125
-
 tropolone pH 6.0, 30°C Euterpe oleracea
0.00196
-
 Salicylhydroxamic acid pH 6.0, 30°C Euterpe oleracea
0.00282
-
 Salicylhydroxamic acid pH 6.0, 30°C Euterpe edulis
0.00655
-
 tropolone pH 6.0, 30°C Euterpe edulis