Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | root enzyme inhibited, chloroplast enzyme only slightly | Pisum sativum | |
Fe2+ | root enzyme inhibited, chloroplast enzyme only slightly | Pisum sativum | |
N-ethylmaleimide | root enzyme is slightly more sensitive than chloroplast enzyme | Pisum sativum | |
p-hydroxymercuribenzoate | chloroplast enzyme is slightly more sensitive than root enzyme | Pisum sativum | |
Zn2+ | root enzyme inhibited, chloroplast enzyme very slightly | Pisum sativum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0023 | - |
NADPH | root enzyme | Pisum sativum | |
0.003 | - |
NADPH | chloroplast enzyme | Pisum sativum | |
0.01 | - |
GSSG | root enzyme | Pisum sativum | |
0.028 | - |
GSSG | chloroplast enzyme | Pisum sativum | |
0.22 | - |
NADP+ | root and chloroplast enzyme | Pisum sativum | |
7.7 | - |
glutathione | chloroplast enzyme | Pisum sativum | |
8.2 | - |
glutathione | root enzyme | Pisum sativum |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
chloroplast | - |
Pisum sativum | 9507 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
156000 | - |
gel filtration | Pisum sativum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Pisum sativum | - |
pea | - |
Purification (Comment) | Organism |
---|---|
- |
Pisum sativum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | - |
Pisum sativum | - |
root | - |
Pisum sativum | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
120 | - |
purified enzyme | Pisum sativum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
GSSG + NADPH | - |
Pisum sativum | glutathione + NADP+ | - |
? |
Subunits | Comment | Organism |
---|---|---|
tetramer | - |
Pisum sativum |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
additional information | - |
root enzyme more stable than chloroplast enzyme, oxidized form more stable than reduced form | Pisum sativum |
30 | - |
reduced form of the enzyme highly unstable | Pisum sativum |
60 | 65 | oxidized form stable | Pisum sativum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.7 | - |
root enzyme | Pisum sativum |
8.2 | - |
chloroplast enzyme | Pisum sativum |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6.1 | 9.1 | 50% of maximal activity at pH 6.1 and 9.1, root enzyme | Pisum sativum |
6.9 | 9.2 | pH 6.9: about 50% of activity maximum, pH 9.2: about 83% of activity maximum | Pisum sativum |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NADH | 20times higher activity with NADH than with NADPH | Pisum sativum | |
NADPH | 5% of the activity with NADH, 3fold higher affinity of root enzyme compared to chloroplast enzyme | Pisum sativum |