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Literature summary for 2.1.1.95 extracted from
- Some properties of gamma-tocopherol methyltransferase solubilized from spinach chloroplasts (1992), Phytochemistry, 31, 1499-1500.
No PubMed abstract available
General Stability
| General Stability | Organism |
|---|---|
| complete inactivation within 72 h at 4°C, half time for inactivation is 30 h | Spinacia oleracea |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.009 | - |
S-adenosyl-L-methionine | - |
Spinacia oleracea |  |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| chloroplast | - |
Spinacia oleracea | 9507 | - |
| membrane | - |
Spinacia oleracea | 16020 | - |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| S-adenosyl-L-methionine + gamma-tocopherol | Spinacia oleracea | biosynthesis of alpha-tocopherol | S-adenosyl-L-homocysteine + alpha-tocopherol | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Spinacia oleracea | - |
- |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leaf | - |
Spinacia oleracea | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.00007 | - |
- |
Spinacia oleracea |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| S-adenosyl-L-methionine + beta-tocopherol | 28% as effective as gamma-tocopherol | Spinacia oleracea | ? | - |
? | |
| S-adenosyl-L-methionine + delta-tocopherol | 16% as effective as gamma-tocopherol | Spinacia oleracea | S-adenosyl-L-homocysteine + beta-tocopherol | - |
? | |
| S-adenosyl-L-methionine + gamma-tocopherol | - |
Spinacia oleracea | S-adenosyl-L-homocysteine + alpha-tocopherol | - |
? | |
| S-adenosyl-L-methionine + gamma-tocopherol | biosynthesis of alpha-tocopherol | Spinacia oleracea | S-adenosyl-L-homocysteine + alpha-tocopherol | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 35 | - |
- |
Spinacia oleracea |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 90 | - |
complete inactivation within 5 min | Spinacia oleracea |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.5 | - |
- |
Spinacia oleracea |
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Release 2023.1 (January 2023)
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