Inhibitors | Comment | Organism | Structure |
---|---|---|---|
iodoacetate | potent inhibitor | Zea mays | |
KCN | 87% inhibition at 1 mM | Zea mays | |
NaN3 | 13% inhibition at 5 mM | Zea mays | |
p-chloromercuribenzoate | 95% inhibition at 0.05 mM | Zea mays |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.035 | - |
H2O2 | - |
Zea mays | |
0.38 | - |
ascorbate | - |
Zea mays |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytoplasm | - |
Zea mays | 5737 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
28000 | - |
gel filtration | Zea mays |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Zea mays | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Zea mays |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
coleoptile | - |
Zea mays | - |
leaf | young leaves contain low amounts of enzyme, in mature green leaves, small amounts of the enzyme are distributed in vascular systems, in particular in companion cells | Zea mays | - |
mesocotyl | - |
Zea mays | - |
root | - |
Zea mays | - |
seed | - |
Zea mays | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
guaiacol + H2O2 | poor electron donor | Zea mays | ? | - |
? | |
L-ascorbate + H2O2 | - |
Zea mays | dehydroascorbate + H2O | - |
? | |
additional information | no activity with NADH | Zea mays | ? | - |
? | |
pyrogallol + H2O2 | 238% activity relative to L-ascorbate | Zea mays | 3-hydroxybenzo-1,2-quinone + H2O | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 28000, SDS-PAGE | Zea mays |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | 6 | - |
Zea mays |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
heme | one protoheme moiety per molecule | Zea mays |