Table I. Effect of several metabolites on wheat endosperm SnRK1.
Kinase activity was assayed in the presence of 10 mm Mg2+ with the addition of different metabolites, as specified. Values are means from three different determinations reproducible within ±10%.
| Metabolite (10 mm) | Relative Phosphorylation of np-Ga3PDHase |
| % | |
| None | 100 |
| UDPGlc | 59 |
| ADPGlc | 42 |
| Glc6P | 63 |
| Glc1P | 77 |
| Man6P | 60 |
| Fru6P | 62 |
| Fru1,6bisP | 26 |
| 3PGA | 38 |
| Rib5P | 4 |
| Pi | 65 |
| PEP | 100 |
| Glc | 100 |
| Suc | 100 |