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Literature summary for 3.1.3.8 extracted from
- Phytase activity of Selenomonas ruminantium: a preliminary characterization (1999), Lett. Appl. Microbiol., 29, 20-25.
No PubMed abstract available
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| citrate | - |
Selenomonas ruminantium |  |
| Cu2+ | 5 mM | Selenomonas ruminantium | |
| Fe2+ | 5 mM | Selenomonas ruminantium | |
| Fe3+ | 5 mM | Selenomonas ruminantium | |
| Hg2+ | 5 mM | Selenomonas ruminantium | |
| Zn2+ | 5 mM | Selenomonas ruminantium | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Pb2+ | 5 mM, enhances activity | Selenomonas ruminantium | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 46000 | - |
x * 46000, SDS-PAGE | Selenomonas ruminantium |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Selenomonas ruminantium | - |
- |
- |
| Selenomonas ruminantium | - |
The enzyme may be a 3-phytase (EC 3.1.3.8), or a 4-phytase (synonym 6-phytase, EC 3.1.3.26). The product of the hydrolysis of myo-inositol hexakisphosphate to 1D-myo-inositol 1,2,4,5,6-pentakisphosphate or alternatively 1D-myo-inositol 1,2,3,5,6-pentakisphosphate has not been identified. | - |
| Selenomonas ruminantium JY35 | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| myo-inositol hexakisphosphate + H2O | - |
Selenomonas ruminantium | 1-L-myo-inositol 1,2,4,5,6-pentakisphosphate + myo-inositol-1,2,5,6 tetrakisphosphate + phosphate | - |
? | |
| myo-inositol hexakisphosphate + H2O | - |
Selenomonas ruminantium JY35 | 1-L-myo-inositol 1,2,4,5,6-pentakisphosphate + myo-inositol-1,2,5,6 tetrakisphosphate + phosphate | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 46000, SDS-PAGE | Selenomonas ruminantium |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 50 | 55 | - |
Selenomonas ruminantium |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 4 | 5.5 | - |
Selenomonas ruminantium |
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