Activating Compound | Comment | Organism | Structure |
---|---|---|---|
NH4+ | 0.18 mM, activation to 148% of control | Fagopyrum esculentum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
histidine | 0.18 mM, 43% inhibition of the activity with quercetin, 13% inhibition of the activity with o-dianisidine, isoenzyme POX II; 0.18 mM, 71% inhibition of the activity with quercetin, 95% inhibition of the activity with o-dianisidine, isoenzyme POX I | Fagopyrum esculentum | |
imidazole | 0.18 mM, 24% inhibition of the activity with quercetin, 81% inhibition of the activity with o-dianisidine, isoenzyme POX II; 0.18 mM, 72% inhibition of the activity with quercetin, 97% inhibition of the activity with o-dianisidine, isoenzyme POX I | Fagopyrum esculentum | |
linoleic acid | 3.6 mM, 76% inhibition of the activity with quercetin, 48% inhibition of the activity with o-dianisidine, isoenzyme POX II; 3.6 mM, no inhibition of the activity with quercetin, 32% inhibition of the activity with o-dianisidine, isoenzyme POX I | Fagopyrum esculentum | |
linolenic acid | 3.6 mM, 16% inhibition of the activity with quercetin, 21% inhibition of the activity with o-dianisidine, isoenzyme POX I; 3.6 mM, 35% inhibition of the activity with quercetin, 37% inhibition of the activity with o-dianisidine, isoenzyme POX II | Fagopyrum esculentum | |
NH4+ | 0.18 mM, 6% inhibition of the activity with quercetin; 0.18 mM, no inhibition of the activity with quercetin, 27% inhibition of the activity with o-dianisidine, isoenzyme POX I | Fagopyrum esculentum | |
oleic acid | 3.6 mM, isoenzyme POX I, 62% inhibition of the activity with quercetin, 19% inhibition of the activity with o-dianisidine, isoenzyme POX I; 3.6 mM, isoenzyme POX II, 72% inhibition of the activity with quercetin, 41% inhibition of the activity with o-dianisidine, isoenzyme POX II | Fagopyrum esculentum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.016 | - |
reduced 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid) | isoenzyme POX II | Fagopyrum esculentum | |
0.028 | - |
quercetin | isoenzyme POX II | Fagopyrum esculentum | |
0.029 | - |
ascorbic acid | isoenzyme POX II | Fagopyrum esculentum | |
0.043 | - |
ascorbic acid | isoenzyme POX I | Fagopyrum esculentum | |
0.071 | - |
quercetin | isoenzyme POX I | Fagopyrum esculentum | |
0.137 | - |
o-Dianisidine | isoenzyme POX II | Fagopyrum esculentum | |
0.202 | - |
guaiacol | isoenzyme POX II | Fagopyrum esculentum | |
0.229 | - |
o-Dianisidine | isoenzyme POX I | Fagopyrum esculentum | |
0.288 | - |
guaiacol | isoenzyme POX I | Fagopyrum esculentum |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
46000 | - |
isoenzyme POX I, gel filtration | Fagopyrum esculentum |
58100 | - |
isoenzyme POX II, gel filtration | Fagopyrum esculentum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Fagopyrum esculentum | - |
Moench var. Kitawasesoba | - |
Purification (Comment) | Organism |
---|---|
isoenzyme POX I | Fagopyrum esculentum |
isoenzyme POX II | Fagopyrum esculentum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
seed | isoenzyme POX I | Fagopyrum esculentum | - |
seed | isoenzyme POX II | Fagopyrum esculentum | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ascorbic acid + H2O | isoenzyme POX I | Fagopyrum esculentum | ? | - |
? | |
ascorbic acid + H2O | isoenzyme POX II | Fagopyrum esculentum | ? | - |
? | |
guaiacol + H2O2 | isoenzyme POX I | Fagopyrum esculentum | ? | - |
? | |
guaiacol + H2O2 | isoenzyme POX II | Fagopyrum esculentum | ? | - |
? | |
additional information | isoenzyme POX I shows no activity with reduced 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid) | Fagopyrum esculentum | ? | - |
? | |
o-dianisidine + H2O2 | isoenzyme POX I | Fagopyrum esculentum | ? | - |
? | |
o-dianisidine + H2O2 | isoenzyme POX II | Fagopyrum esculentum | ? | - |
? | |
quercetin + H2O | isoenzyme POX I | Fagopyrum esculentum | ? | - |
? | |
quercetin + H2O | isoenzyme POX II | Fagopyrum esculentum | ? | - |
? | |
reduced 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid) + H2O2 | isoenzyme POX II | Fagopyrum esculentum | oxidized 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid) + H2O | - |
? |
Synonyms | Comment | Organism |
---|---|---|
POX I | - |
Fagopyrum esculentum |
POX II | - |
Fagopyrum esculentum |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
10 | - |
isoenzyme POX II | Fagopyrum esculentum |
30 | - |
isoenzyme POX I | Fagopyrum esculentum |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
- |
50 | more than 50% of the activity of POX I is retained in the temperature range of 050°C | Fagopyrum esculentum |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
- |
30 | isoenzyme POX I is stable | Fagopyrum esculentum |
20 | - |
isoenzyme POX II is stable | Fagopyrum esculentum |
30 | - |
isoenzyme POX II is unstable above | Fagopyrum esculentum |
40 | - |
isoenzyme POX I is unstable | Fagopyrum esculentum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
3 | - |
activity with reduced 2,2'-azino-bis-(3-ethylbenzthiazole-6-sulfonic acid), isoenzyme POX II | Fagopyrum esculentum |
4.5 | - |
activity with quercetin, isoenzyme POX II | Fagopyrum esculentum |
5 | - |
activity with o-dianisidine, isoenzyme POX II | Fagopyrum esculentum |
6 | - |
activity with o-dianisidine, isoenzyme POX I | Fagopyrum esculentum |
7 | - |
activity with ascorbic acid, isoenzyme POX I | Fagopyrum esculentum |
7 | - |
activity with ascorbic acid, isoenzyme POX II | Fagopyrum esculentum |
8 | - |
activity with quercetin, isoenzyme POX I | Fagopyrum esculentum |
9 | - |
activity with guaiacol, isoenzyme POX I | Fagopyrum esculentum |
9 | - |
activity with guaiacol, isoenzyme POX II | Fagopyrum esculentum |