EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
1.11.1.11 | 3,3'-dithiobis(6-nitrobenzoic acid) | 5 mM, 80% residual activity, APX 1, 24% residual activity, APX 2 | Oryza sativa | |
1.11.1.11 | Al3+ | inhibition in the range of 0.01-0.5 mM | Oryza sativa | |
1.11.1.11 | KCN | 1 mM, 69% residual activity, APX 1, 20% residual activity, APX 2 | Oryza sativa | |
1.11.1.11 | additional information | not inhibitory: alpha,alphaย-dipyridyl, EDTA | Oryza sativa | |
1.11.1.11 | Na2HAsO4 | inhibition in the range of 0.01-0.5 mM | Oryza sativa | |
1.11.1.11 | Ni2+ | below 0.01 mM, activation, inhibition above | Oryza sativa | |
1.11.1.11 | Sodium azide | 1 mM, 72% residual activity, APX 1, 55% residual activity, APX 2 | Oryza sativa |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.11.1.11 | 0.033 | - |
H2O2 | pH 6.5, APX 1 | Oryza sativa | |
1.11.1.11 | 0.076 | - |
H2O2 | pH 7.0, APX 2 | Oryza sativa | |
1.11.1.11 | 0.2 | - |
ascorbate | pH 7.0, APX 2 | Oryza sativa | |
1.11.1.11 | 0.4 | - |
L-ascorbate | pH 6.5, APX 1 | Oryza sativa |
EC Number | Metals/Ions | Comment | Organism | Structure |
---|---|---|---|---|
1.11.1.11 | Ni2+ | below 0.01 mM, activation, inhibition above | Oryza sativa |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
1.11.1.11 | 28500 | - |
x * 28500, APX 1, x * 34000, APX 2, SDS-PAGE | Oryza sativa |
1.11.1.11 | 34000 | - |
x * 28500, APX 1, x * 34000, APX 2, SDS-PAGE | Oryza sativa |
EC Number | Organic Solvent | Comment | Organism |
---|---|---|---|
1.11.1.11 | Ethylene glycol | PEG 6000, 40% in assay medium, 50% inhibition of aPX 1, 65% inhibition of APX 2 with increase in enzyme Km values, incorporation of 1 M proline, glycine betaine or sucrose in presence of PEG in the assay medium restores | Oryza sativa |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
1.11.1.11 | Oryza sativa | - |
isoforms APX 1, APX 2 | - |
EC Number | Purification (Comment) | Organism |
---|---|---|
1.11.1.11 | both APX 1 and APX 2 | Oryza sativa |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
1.11.1.11 | leaf | - |
Oryza sativa | - |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.11.1.11 | glutathione + H2O2 | 30% of the activity with ascorbate, APX 1, 13% of the activity with ascorbate, APX 2 | Oryza sativa | ? + H2O | - |
? | |
1.11.1.11 | guaiacol + H2O2 | 45% of the activity with ascorbate, APX 1, 15% of the activity with ascorbate, APX 2 | Oryza sativa | ? + H2O | - |
? | |
1.11.1.11 | L-ascorbate + H2O2 | - |
Oryza sativa | dehydroascorbate + H2O | - |
? | |
1.11.1.11 | NADH + H+ + H2O2 | 10% of the activity with ascorbate, APX 1, 1% of the activity with ascorbate, APX 2 | Oryza sativa | NAD+ + H2O | - |
? | |
1.11.1.11 | NADPH + H+ + H2O2 | 27% of the activity with ascorbate, APX 1, 21% of the activity with ascorbate, APX 2 | Oryza sativa | NADP+ + H2O | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
1.11.1.11 | ? | x * 28500, APX 1, x * 34000, APX 2, SDS-PAGE | Oryza sativa |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
1.11.1.11 | APX 1 | - |
Oryza sativa |
1.11.1.11 | APX 2 | - |
Oryza sativa |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
1.11.1.11 | 6.5 | - |
APX 1 | Oryza sativa |
1.11.1.11 | 7 | - |
APX 2 | Oryza sativa |