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Literature summary for 2.4.1.1 extracted from
- Inhibition of -glucan phosphorylase by bisulfite competition at the phosphate binding site (1973), Biochim. Biophys. Acta, 302, 158-166.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| hydrogencarbonate | weak inhibition | Solanum tuberosum |  |
| additional information | - |
Oryctolagus cuniculus | |
| additional information | not inhibited by azide | Solanum tuberosum | |
| NaHSO3 | kinetics, completely reversible by dilution or dialysis | Oryctolagus cuniculus | |
| NaHSO3 | kinetics, completely reversible by dilution or dialysis | Solanum tuberosum | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Oryctolagus cuniculus | - |
- |
- |
| Solanum tuberosum | - |
- |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| muscle | - |
Oryctolagus cuniculus | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| amylose + phosphate | arsenate can replace phosphate | Solanum tuberosum | amylose + glucose 1-phosphate | - |
? | |
| glycogen + glucose 1-phosphate | - |
Oryctolagus cuniculus | glycogen + phosphate | - |
r | |
| glycogen + glucose 1-phosphate | - |
Solanum tuberosum | glycogen + phosphate | - |
r | |
| starch + glucose 1-phosphate | - |
Oryctolagus cuniculus | starch + phosphate | - |
? | |
| starch + glucose 1-phosphate | - |
Solanum tuberosum | starch + phosphate | - |
? | |
| [(1->4)-alpha-D-glucosyl]n + phosphate | - |
Oryctolagus cuniculus | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
| [(1->4)-alpha-D-glucosyl]n + phosphate | - |
Solanum tuberosum | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| pyridoxal 5'-phosphate | requirement | Oryctolagus cuniculus | |
| pyridoxal 5'-phosphate | requirement | Solanum tuberosum | |
Ki Value [mM]
| Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.02 | - |
NaHSO3 | competitive. vs. arsenate in arsenolysis of starch | Solanum tuberosum | |
| 1.7 | - |
NaHSO3 | - |
Solanum tuberosum | |
| 7 | - |
NaHSO3 | - |
Oryctolagus cuniculus | |
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Release 2023.1 (January 2023)
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