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Literature summary extracted from
- Characterization of Mg-dechelating substance in senescent and pre-senescent Arabidopsis thaliana leaves (2011), Biol. Plant., 55, 75-82 .
No PubMed abstract available
Activating Compound
| EC Number | Activating Compound | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.99.1.10 | EDTA | 170.72% activity at 40 mM | Arabidopsis thaliana |  |
| 4.99.1.10 | H2O2 | 122.39% activity at 0.1 mM | Arabidopsis thaliana | |
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.99.1.10 | HgCl2 | 21.25% residual activity at 10 mM | Arabidopsis thaliana | |
| 4.99.1.10 | MgCl2 | 16% residual activity at 1 mM | Arabidopsis thaliana | |
| 4.99.1.10 | reduced glutathione | 56.59% residual activity at 10 mM | Arabidopsis thaliana | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 4.99.1.10 | 0.000062 | - |
chlorophyllin a | at pH 7.2 and 50°C | Arabidopsis thaliana | |
Metals/Ions
| EC Number | Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.99.1.10 | additional information | not influenced by K+ | Arabidopsis thaliana |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.99.1.10 | chlorophyllide a + 2 H+ | Arabidopsis thaliana | - |
pheophorbide a + Mg2+ | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 4.99.1.10 | Arabidopsis thaliana | - |
ecotype Col-0 | - |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 4.99.1.10 | leaf | - |
Arabidopsis thaliana | - |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.99.1.10 | chlorophyllide a + 2 H+ | - |
Arabidopsis thaliana | pheophorbide a + Mg2+ | - |
? | |
| 4.99.1.10 | chlorophyllin a + 2 H+ | - |
Arabidopsis thaliana | pheophytin a + Mg2+ | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 4.99.1.10 | ? | x * 42000, SDS-PAGE | Arabidopsis thaliana |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 4.99.1.10 | MDS | - |
Arabidopsis thaliana |
| 4.99.1.10 | Mg-dechelatase | - |
Arabidopsis thaliana |
| 4.99.1.10 | SGR | - |
Arabidopsis thaliana |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 4.99.1.10 | 50 | - |
- |
Arabidopsis thaliana |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 4.99.1.10 | 7.2 | - |
- |
Arabidopsis thaliana |
Expression
| EC Number | Organism | Comment | Expression |
|---|---|---|---|
| 4.99.1.10 | Arabidopsis thaliana | during dark-induced senescence, the activity increases over time until reaching a maximum at day 4, and then decreases | up |
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Release 2023.1 (January 2023)
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