Table 2.
Transferase activity of EfPDT and DpNDT.
|
EfPDT specific activity (IU/mg)a,b |
DpNDT specific activity (IU/mg)c |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| dAdo | dGuo | dIno | dAdo | dCyd | dIno | dThd | dUrd | ||
|
| |||||||||
| Ade | – | 0.07 | 0.13 | Ade | – | 0.02 | 0.11 | 0.21 | 0.14 |
| Gua | 0.13 | – | 0.10 | Cyt | 0.02 | – | 0.04 | 0.04 | 0.06 |
| Hyp | 0.08 | 0.05 | – | Hyp | 0.02 | 0.01 | – | 0.72 | 0.67 |
| Thy | 0.02 | 0.01 | 0.10 | – | 0.70 | ||||
| Ura | 0.07 | 0.02 | 0.11 | 0.73 | – | ||||
Reaction conditions: 5.375 μg of EfPDT in 40 μL at 50 ◦C for 10 min, with 1 mM substrates in 50 mM MES buffer, pH 6.5 in a final volume of 40 μL
Standard deviation values <0.005 in all cases.
14.3 μg of DpNDT in 40 μL at 50 ◦C for 20 min, with 10 mM substrates in 50 mM MES buffer, pH 6.5 in a final volume of 40 μL.