General Stability | Organism |
---|---|
freezing, -20°C, and thawing results in 70-80% loss of activity | Nicotiana tabacum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Cd2+ | 0.2 mM, activity is reduced by 35% | Nicotiana tabacum | |
dithioerythritol | - |
Nicotiana tabacum | |
methionine sulfoximine | - |
Nicotiana tabacum | |
methionine sulfoximine | - |
Pisum sativum | |
Zn2+ | 0.2 mM, activity is reduced by 19% | Nicotiana tabacum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.19 | - |
L-Cys | - |
Nicotiana tabacum | |
6.36 | - |
2-aminobutyrate | - |
Nicotiana tabacum | |
10.4 | - |
2-aminobutyrate | L-Glu | Nicotiana tabacum |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
chloroplast | - |
Spinacia oleracea | 9507 | - |
chloroplast | - |
Pisum sativum | 9507 | - |
cytoplasm | - |
Spinacia oleracea | 5737 | - |
cytoplasm | - |
Pisum sativum | 5737 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | absolute requirement, maximal activity at 30-50 mM | Nicotiana tabacum |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
34000 | - |
2 * 34000, SDS-PAGE | Nicotiana tabacum |
60000 | - |
gel filtration | Nicotiana tabacum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Nicotiana tabacum | - |
- |
- |
Pisum sativum | - |
- |
- |
Spinacia oleracea | - |
- |
- |
Triticum aestivum | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Nicotiana tabacum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cell suspension culture | - |
Nicotiana tabacum | - |
Storage Stability | Organism |
---|---|
4°C, more than 50% loss of activity after 48 h. Stable at -20°C | Nicotiana tabacum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + alpha-methyl-L-glutamate + 2-aminobutyrate | - |
Nicotiana tabacum | ADP + phosphate + gamma-L-glutamyl-2-aminobutyrate | - |
? | |
ATP + L-Glu + L-Cys | - |
Triticum aestivum | ADP + phosphate + gamma-L-Glu-L-Cys | - |
? | |
ATP + L-Glu + L-Cys | - |
Spinacia oleracea | ADP + phosphate + gamma-L-Glu-L-Cys | - |
? | |
ATP + L-Glu + L-Cys | - |
Pisum sativum | ADP + phosphate + gamma-L-Glu-L-Cys | - |
? | |
ATP + L-Glu + L-Cys | - |
Nicotiana tabacum | ADP + phosphate + gamma-L-Glu-L-Cys | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 34000, SDS-PAGE | Nicotiana tabacum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
- |
Nicotiana tabacum |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
7 | 9 | 50% of maximal activity at pH 7.0 and pH 9.0 | Nicotiana tabacum |