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Literature summary for 2.7.7.4 extracted from
- Comparative enzymology of the adenosine triphosphate sulphurylases from leaf tissue of selenium-accumulator and non-accumulator plants (1974), Biochem. J., 139, 37-42.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| ADP | - |
Astragalus bisulcatus |  |
| ADP | - |
Astragalus hamosus | |
| ADP | - |
Astragalus racemosus | |
| ADP | - |
Astragalus sinicus | |
| ClO4- | - |
Astragalus bisulcatus | |
| ClO4- | - |
Astragalus hamosus | |
| ClO4- | - |
Astragalus racemosus | |
| ClO4- | - |
Astragalus sinicus | |
| NO3- | - |
Astragalus bisulcatus | |
| NO3- | - |
Astragalus hamosus | |
| NO3- | - |
Astragalus racemosus | |
| NO3- | - |
Astragalus sinicus | |
| SeO42- | - |
Astragalus bisulcatus | |
| SeO42- | - |
Astragalus hamosus | |
| SeO42- | - |
Astragalus racemosus | |
| SeO42- | - |
Astragalus sinicus | |
| Tris-malic acid-KOH buffer | pH 6-8.5 | Astragalus bisulcatus | |
| Tris-malic acid-KOH buffer | pH 6-8.5 | Astragalus hamosus | |
| Tris-malic acid-KOH buffer | pH 6-8.5 | Astragalus racemosus | |
| Tris-malic acid-KOH buffer | pH 6-8.5 | Astragalus sinicus |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 2.8 | - |
SO42- | pH 9.0 | Astragalus bisulcatus | |
| 3 | - |
SO42- | pH 9.0 | Astragalus sinicus | |
| 3 | - |
SO42- | pH 9.0 | Astragalus hamosus | |
| 3.1 | - |
SO42- | pH 9.0 | Astragalus racemosus | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Mg2+ | inactive in presence of | Astragalus bisulcatus | |
| Mg2+ | inactive in presence of | Astragalus racemosus | |
| Mg2+ | inactive in presence of | Astragalus sinicus | |
| Mg2+ | inactive in presence of | Astragalus hamosus | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Astragalus bisulcatus | - |
- |
- |
| Astragalus hamosus | - |
- |
- |
| Astragalus racemosus | - |
- |
- |
| Astragalus sinicus | - |
- |
- |
Reaction
| Reaction | Comment | Organism | Reaction ID |
|---|---|---|---|
| ATP + sulfate = diphosphate + adenylyl sulfate | ordered reaction mechanism, in which ATP is the first substrate to react with the enzyme and diphosphate is the first product released | Astragalus bisulcatus | |
| ATP + sulfate = diphosphate + adenylyl sulfate | ordered reaction mechanism, in which ATP is the first substrate to react with the enzyme and diphosphate is the first product released | Astragalus racemosus | |
| ATP + sulfate = diphosphate + adenylyl sulfate | ordered reaction mechanism, in which ATP is the first substrate to react with the enzyme and diphosphate is the first product released | Astragalus sinicus | |
| ATP + sulfate = diphosphate + adenylyl sulfate | ordered reaction mechanism, in which ATP is the first substrate to react with the enzyme and diphosphate is the first product released | Astragalus hamosus |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.0141 | - |
- |
Astragalus hamosus |
| 0.026 | - |
- |
Astragalus racemosus |
| 0.031 | - |
- |
Astragalus bisulcatus |
| 0.0337 | - |
- |
Astragalus sinicus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + sulfate | - |
Astragalus bisulcatus | diphosphate + adenylylsulfate | - |
r | |
| ATP + sulfate | - |
Astragalus racemosus | diphosphate + adenylylsulfate | - |
r | |
| ATP + sulfate | - |
Astragalus sinicus | diphosphate + adenylylsulfate | - |
r | |
| ATP + sulfate | - |
Astragalus hamosus | diphosphate + adenylylsulfate | - |
r | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 9 | - |
- |
Astragalus bisulcatus |
| 9 | - |
- |
Astragalus racemosus |
| 9 | - |
- |
Astragalus sinicus |
| 9 | - |
- |
Astragalus hamosus |
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