Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2,3-Dihydroxybenzoic acid | - |
Ipomoea batatas | |
2,3-Dihydroxybenzoic acid | - |
Lablab purpureus | |
3,4,5-Trihydroxybenzoic acid | - |
Ipomoea batatas | |
3,4,5-Trihydroxybenzoic acid | - |
Lablab purpureus | |
3,4-dihydroxybenzoic acid | - |
Ipomoea batatas | |
3,4-dihydroxybenzoic acid | - |
Lablab purpureus | |
4-methylcatechol | field bean PPO obeys Michaelis-Menten kinetics and exhibits the phenomenon of inhibition by excess substrate for catechol, 4-methylcatechol and 4-tert-butylcatechol | Lablab purpureus | |
4-tert-butylcatechol | field bean PPO obeys Michaelis-Menten kinetics and exhibits the phenomenon of inhibition by excess substrate for catechol, 4-methylcatechol and 4-tert-butylcatechol | Lablab purpureus | |
benzoic acid | - |
Ipomoea batatas | |
benzoic acid | - |
Lablab purpureus | |
catechol | field bean PPO obeys Michaelis-Menten kinetics and exhibits the phenomenon of inhibition by excess substrate for catechol, 4-methylcatechol and 4-tert-butylcatechol | Lablab purpureus | |
m-hydroxybenzoic acid | - |
Ipomoea batatas | |
m-hydroxybenzoic acid | - |
Lablab purpureus | |
o-hydroxybenzoic acid | - |
Ipomoea batatas | |
o-hydroxybenzoic acid | - |
Lablab purpureus | |
p-hydroxybenzoic acid | - |
Ipomoea batatas | |
p-hydroxybenzoic acid | - |
Lablab purpureus | |
Phenylthiourea | - |
Ipomoea batatas | |
Phenylthiourea | - |
Lablab purpureus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
1.5 | - |
dopamine | - |
Lablab purpureus | |
2.9 | - |
3,4-dihydroxyphenylacetic acid | - |
Lablab purpureus | |
3.9 | - |
4-tertiary butylcatechol | - |
Ipomoea batatas | |
4 | - |
2,3,4-trihydroxybenzoic acid | - |
Lablab purpureus | |
4.1 | - |
4-tert-butylcatechol | - |
Lablab purpureus | |
4.5 | - |
4-methylcatechol | - |
Lablab purpureus | |
5.2 | - |
4-methylcatechol | - |
Ipomoea batatas | |
5.6 | - |
2,3,4-trihydroxybenzoic acid | - |
Ipomoea batatas | |
6 | - |
3,4-dihydroxyphenylacetic acid | - |
Ipomoea batatas | |
9 | - |
catechol | - |
Ipomoea batatas | |
12 | - |
catechol | - |
Lablab purpureus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
38000 | - |
SDS-PAGE | Ipomoea batatas |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Ipomoea batatas | Q9ZP19 | - |
- |
Lablab purpureus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
99% purity | Lablab purpureus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
seed | - |
Lablab purpureus | - |
tuber | - |
Ipomoea batatas | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
1574 | - |
- |
Ipomoea batatas |
29300 | - |
- |
Lablab purpureus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2 catechol + O2 | - |
Ipomoea batatas | 2 1,2-benzoquinone + 2 H2O | - |
? | |
2 catechol + O2 | field bean PPO obeys Michaelis-Menten kinetics and exhibits the phenomenon of inhibition by excess substrate for catechol, 4-methylcatechol and 4-tert-butylcatechol | Lablab purpureus | 2 1,2-benzoquinone + 2 H2O | - |
? | |
2 dopamine + O2 | - |
Lablab purpureus | 2 4-(2-aminoethyl)-1,2-benzoquinone + 2 H2O | - |
? | |
2,3,4-trihydroxybenzoic acid + O2 | - |
Lablab purpureus | ? | - |
? | |
2,3,4-trihydroxybenzoic acid + O2 | - |
Ipomoea batatas | ? | - |
? | |
3,4-dihydroxyphenylacetic acid + O2 | - |
Lablab purpureus | ? | - |
? | |
3,4-dihydroxyphenylacetic acid + O2 | - |
Ipomoea batatas | (3,4-dioxocyclohexa-1,5-dien-1-yl)acetic acid + H2O | - |
? | |
4-methylcatechol + O2 | - |
Ipomoea batatas | 4-methyl-1,2-benzoquinone | - |
? | |
4-methylcatechol + O2 | field bean PPO obeys Michaelis-Menten kinetics and exhibits the phenomenon of inhibition by excess substrate for catechol, 4-methylcatechol and 4-tert-butylcatechol | Lablab purpureus | 4-methyl-1,2-benzoquinone | - |
? | |
4-tert-butylcatechol + O2 | - |
Ipomoea batatas | 4-tert-butyl-1,2-benzoquinone + H2O | - |
? | |
4-tert-butylcatechol + O2 | field bean PPO obeys Michaelis-Menten kinetics and exhibits the phenomenon of inhibition by excess substrate for catechol, 4-methylcatechol and 4-tert-butylcatechol | Lablab purpureus | ? | - |
? | |
additional information | pyragallol is not oxidized by ibCO | Ipomoea batatas | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | SDS-PAGE | Ipomoea batatas |
Synonyms | Comment | Organism |
---|---|---|
1,2-benzene: oxygen oxidoreductase | - |
Lablab purpureus |
1,2-benzene: oxygen oxidoreductase | - |
Ipomoea batatas |
ibCO | sweet potato catechol oxidase | Ipomoea batatas |
polyphenol oxidase | - |
Lablab purpureus |
polyphenol oxidase | - |
Ipomoea batatas |
PPO | - |
Lablab purpureus |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
3.05 | - |
2,3,4-trihydroxybenzoic acid | - |
Lablab purpureus | |
4.9 | - |
dopamine | - |
Lablab purpureus | |
7.48 | - |
catechol | - |
Lablab purpureus | |
11.48 | - |
3,4-dihydroxyphenylacetic acid | - |
Lablab purpureus | |
26.66 | - |
4-methylcatechol | - |
Lablab purpureus | |
48.05 | - |
4-tert-butylcatechol | - |
Lablab purpureus |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
2.3 | - |
3,4,5-Trihydroxybenzoic acid | - |
Lablab purpureus | |
2.3 | - |
3,4,5-Trihydroxybenzoic acid | - |
Ipomoea batatas |
IC50 Value | IC50 Value Maximum | Comment | Organism | Inhibitor | Structure |
---|---|---|---|---|---|
0.043 | - |
- |
Ipomoea batatas | Phenylthiourea | |
0.07 | - |
- |
Lablab purpureus | Phenylthiourea | |
1.1 | - |
- |
Lablab purpureus | m-hydroxybenzoic acid | |
1.2 | - |
- |
Lablab purpureus | benzoic acid | |
1.3 | - |
- |
Lablab purpureus | p-hydroxybenzoic acid | |
2.8 | - |
- |
Lablab purpureus | 3,4-dihydroxybenzoic acid | |
3.6 | - |
- |
Lablab purpureus | o-hydroxybenzoic acid | |
3.7 | - |
- |
Lablab purpureus | 2,3-Dihydroxybenzoic acid | |
3.8 | - |
- |
Lablab purpureus | 3,4,5-Trihydroxybenzoic acid |