Any feedback?
Literature summary for 2.7.7.18 extracted from
- The pyridine-nucleotide cycle in tobacco. Enzyme activities for the de-novo synthesis of NAD (1985), Planta, 165, 532-537.
General Stability
| General Stability | Organism |
|---|---|
| phosphate buffer, 0.08 M, pH 7.5, stabilizes | Nicotiana tabacum |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 1.3 | - |
nicotinate ribonucleotide | 30°C, pH 7.5 | Nicotiana tabacum |  |
| 4 | - |
ATP | 30°C, pH 7.5 | Nicotiana tabacum | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Mg2+ | requirement | Nicotiana tabacum | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + nicotinate ribonucleotide | Nicotiana tabacum | - |
diphosphate + deamido-NAD+ | - |
r | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Nicotiana tabacum | - |
tobacco, cv. Samsun or cv. Xanthi | - |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| callus | cultured from seedlings' roots | Nicotiana tabacum | - |
| root | cv. Samsun | Nicotiana tabacum | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.00133 | - |
Xanthi, callus culture | Nicotiana tabacum |
| 0.00269 | - |
Samsun, callus culture | Nicotiana tabacum |
| 0.00358 | - |
Samsun, root | Nicotiana tabacum |
Storage Stability
| Storage Stability | Organism |
|---|---|
| frozen 24 h | Nicotiana tabacum |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + nicotinate ribonucleotide | - |
Nicotiana tabacum | diphosphate + deamido-NAD+ | - |
r | |
| ATP + nicotinate ribonucleotide | i.e. nicotinate mononucleotide | Nicotiana tabacum | diphosphate + deamido-NAD+ | i.e. nicotinic acid adenine dinucleotide | r | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | - |
assay at | Nicotiana tabacum |
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
