Any feedback?
Literature summary for 2.7.1.19 extracted from
- Spinach phosphoribulokinase (1956), J. Biol. Chem., 218, 769-783.
General Stability
| General Stability | Organism |
|---|---|
| unstable to repeated freezing/thawing | Spinacia oleracea |
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Hg2+ | - |
Spinacia oleracea |  |
| p-chloromercuribenzoate | - |
Spinacia oleracea | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Ca2+ | can partially replace Mg2+ | Spinacia oleracea | |
| Co2+ | can partially replace Mg2+ | Spinacia oleracea | |
| EDTA | activation | Spinacia oleracea | |
| Mg2+ | required | Spinacia oleracea | |
| Mn2+ | can partially replace Mg2+ | Spinacia oleracea | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| D-ribulose 5-phosphate + ATP | Spinacia oleracea | - |
D-ribulose 1,5-diphosphate + ADP | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Spinacia oleracea | - |
spinach | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Spinacia oleracea |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leaf | - |
Spinacia oleracea | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 310 | - |
- |
Spinacia oleracea |
Storage Stability
| Storage Stability | Organism |
|---|---|
| -10°C, stable | Spinacia oleracea |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| D-ribulose 5-phosphate + ATP | - |
Spinacia oleracea | D-ribulose 1,5-diphosphate + ADP | - |
? | |
| additional information | no activity with fructose 6-phosphate | Spinacia oleracea | ? | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.9 | - |
- |
Spinacia oleracea |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 7 | 8.2 | less than 50% of maximal activity above and below | Spinacia oleracea |
Use of this online version of BRENDA is free under the CC BY 4.0 license. See terms of use for full details.
Release 2023.1 (January 2023)
Legal
Curated at
Member of
