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Literature summary for 2.7.11.19 extracted from
- Phosphorylase b-to-a converting enzyme of rabbit skeletal muscle (1956), Biochim. Biophys. Acta, 20, 150-157.
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| cytosol | - |
Oryctolagus cuniculus | 5829 | - |
| soluble | - |
Oryctolagus cuniculus | - |
- |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Ca2+ | not | Oryctolagus cuniculus |  |
| Mg2+ | requirement | Oryctolagus cuniculus | |
| Mg2+ | can replace Mn2+ | Oryctolagus cuniculus | |
| Mg2+ | major role of Mg2+: cosubstrate in Mg2+-ATP complex | Oryctolagus cuniculus | |
| Mn2+ | requirement | Oryctolagus cuniculus | |
| Mn2+ | optimal at ATP:Mg ratio of 1:1 | Oryctolagus cuniculus | |
| phosphate | requirement, phosphate containing enzyme | Oryctolagus cuniculus | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + phosphorylase b | Oryctolagus cuniculus | involved in glycogen metabolism regulation | ? | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Oryctolagus cuniculus | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partial | Oryctolagus cuniculus |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| skeletal muscle | - |
Oryctolagus cuniculus | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
- |
Oryctolagus cuniculus |
Storage Stability
| Storage Stability | Organism |
|---|---|
| -20°C, partially purified, at least 2 months | Oryctolagus cuniculus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + phosphorylase b | cosubstrate: Mg-ATP complex | Oryctolagus cuniculus | ADP + phosphorylase a | - |
? | |
| ATP + phosphorylase b | involved in glycogen metabolism regulation | Oryctolagus cuniculus | ? | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | - |
assay at | Oryctolagus cuniculus |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 8.8 | - |
- |
Oryctolagus cuniculus |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 6.6 | 9.1 | about half-maximal activity at pH 6.6 and 9.1, activity increases up to pH 8, sharp drop above 9 | Oryctolagus cuniculus |
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Release 2023.1 (January 2023)
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