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Literature summary extracted from
- Purification and characterization of the crown gall specific enzyme nopaline synthase (1979), Biochemistry, 18, 3755-3760.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.5.1.19 | 2-oxoglutarate | substrate inhibition above 10fold Km | Helianthus annuus |  |
| 1.5.1.19 | NADPH | substrate inhibition above 10fold Km | Helianthus annuus | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 1.5.1.19 | 0.008 | - |
NADPH | nopaline synthesis | Helianthus annuus | |
| 1.5.1.19 | 0.009 | - |
NADPH | ornaline synthesis | Helianthus annuus | |
| 1.5.1.19 | 0.74 | - |
L-arginine | - |
Helianthus annuus | |
| 1.5.1.19 | 0.9 | - |
2-oxoglutarate | - |
Helianthus annuus | |
| 1.5.1.19 | 1 | - |
NADPH | - |
Helianthus annuus | |
| 1.5.1.19 | 3.7 | - |
L-ornithine | - |
Helianthus annuus | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 1.5.1.19 | 40000 | - |
4 * 40000, SDS-PAGE | Helianthus annuus |
| 1.5.1.19 | 158000 | - |
crown gall tissue induced by Agrobacterium tumefaciens strain C58 or T37, gel filtration | Helianthus annuus |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 1.5.1.19 | L-arginine + 2-oxoglutarate + NADPH | Helianthus annuus | in vivo synthesis of both N2-(1,3-dicarboxyphopyl)arginine and N2-(1,3-dicarboxypropyl)ornithine in crown gall tissues | N2-(D-1,3-dicarboxypropyl)-L-arginine + NADP+ + H2O | - |
? | |
| 1.5.1.19 | L-ornithine + 2-oxoglutarate + NADPH | Helianthus annuus | in vivo synthesis of both N2-(1,3-dicarboxyphopyl)arginine and N2-(1,3-dicarboxypropyl)ornithine in crown gall tissues | N2-(1,3-dicarboxypropyl)-L-ornithine + NADP+ + H2O | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 1.5.1.19 | Helianthus annuus | - |
sunflower, crown gall tissue induced by Agrobacterium tumefaciens strain C58 or T37 | - |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 1.5.1.19 | crown gall tissue induced by Agrobacterium tumefaciens strain C58 or T37 | Helianthus annuus |
Reaction
| EC Number | Reaction | Comment | Organism | Reaction ID |
|---|---|---|---|---|
| 1.5.1.19 | N2-(D-1,3-dicarboxypropyl)-L-arginine + NADP+ + H2O = L-arginine + 2-oxoglutarate + NADPH + H+ | ter-bi rapid-equilibrium random-order mechanism | Helianthus annuus |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 1.5.1.19 | crown gall | induced by Agrobacterium tumefaciens, strain C58 or T37 in Helianthus annuus L. | Helianthus annuus | - |
| 1.5.1.19 | additional information | no activity in habituated tissue or in octopine-type crown gall tissue | Helianthus annuus | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 1.5.1.19 | 26.34 | - |
- |
Helianthus annuus |
Storage Stability
| EC Number | Storage Stability | Organism |
|---|---|---|
| 1.5.1.19 | 4°C, several months in 10 mM Tris | Helianthus annuus |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 1.5.1.19 | L-arginine + 2-oxoglutarate + NADPH | - |
Helianthus annuus | N2-(D-1,3-dicarboxypropyl)-L-arginine + NADP+ + H2O | i.e. nopaline | ? | |
| 1.5.1.19 | L-arginine + 2-oxoglutarate + NADPH | in vivo synthesis of both N2-(1,3-dicarboxyphopyl)arginine and N2-(1,3-dicarboxypropyl)ornithine in crown gall tissues | Helianthus annuus | N2-(D-1,3-dicarboxypropyl)-L-arginine + NADP+ + H2O | - |
? | |
| 1.5.1.19 | L-ornithine + 2-oxoglutarate + NADPH | - |
Helianthus annuus | N2-(1,3-dicarboxypropyl)-L-ornithine + NADP+ + H2O | i.e. ornaline | ? | |
| 1.5.1.19 | L-ornithine + 2-oxoglutarate + NADPH | in vivo synthesis of both N2-(1,3-dicarboxyphopyl)arginine and N2-(1,3-dicarboxypropyl)ornithine in crown gall tissues | Helianthus annuus | N2-(1,3-dicarboxypropyl)-L-ornithine + NADP+ + H2O | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 1.5.1.19 | tetramer | 4 * 40000, SDS-PAGE | Helianthus annuus |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 1.5.1.19 | 25 | - |
assay at | Helianthus annuus |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 1.5.1.19 | 6 | - |
nopaline synthesis | Helianthus annuus |
| 1.5.1.19 | 6.5 | - |
ornaline synthesis | Helianthus annuus |
Cofactor
| EC Number | Cofactor | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.5.1.19 | NADH | - |
Helianthus annuus | |
| 1.5.1.19 | NADPH | - |
Helianthus annuus | |
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