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Literature summary for 2.7.3.6 extracted from
- Hypotaurocyamine phosphokinase comparaison avec la taurocyamine phosphokinase (1963), Biochim. Biophys. Acta, 73, 437-444.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Chloroacetophenone | - |
Phascolosoma vulgare |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Phascolosoma vulgare | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Phascolosoma vulgare |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| muscle | - |
Phascolosoma vulgare | - |
Storage Stability
| Storage Stability | Organism |
|---|---|
| refrigerated, saturated ammonium sulfate solution, pH 8.1, 3-4 weeks stable | Phascolosoma vulgare |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + arginine | very low reaction rate | Phascolosoma vulgare | ADP + phosphoarginine | - |
r | |
| ATP + creatine | very low reaction rate | Phascolosoma vulgare | ADP + phosphocreatine | - |
r | |
| ATP + glycocyamine | very low reaction rate | Phascolosoma vulgare | ADP + phosphoglycocyamine | - |
r | |
| ATP + guanidopropionic acid | very low reaction rate | Phascolosoma vulgare | ADP + N-phosphoguanidopropionic acid | - |
r | |
| ATP + hypotaurocyamine | - |
Phascolosoma vulgare | ADP + phosphohypotaurocyamine | - |
r | |
| ATP + lombricine | very low reaction rate | Phascolosoma vulgare | ADP + phospholombricine | - |
r | |
| ATP + taurocyamine | - |
Phascolosoma vulgare | ADP + phosphotaurocyamine | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6.8 | - |
reaction with hyotaurocyamine or taurocyamine | Phascolosoma vulgare |
| 8.9 | - |
phosphorylation of hypotaurocyamine | Phascolosoma vulgare |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 6.5 | 7.7 | pH 6.5: about 75% of maximal activity, pH 7.7: about 70% of maximal activity, reaction with phosphohypotaurocyamine | Phascolosoma vulgare |
| 7.7 | 9.5 | pH 7.7: about 45% of maximal activity, pH 9.5: about 50% of maximal activity, phosphorylation of hypotaurocyamine | Phascolosoma vulgare |
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Release 2023.1 (January 2023)
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