TABLE 5.
Identification of inducer molecules of GfcR by differential scanning fluorimetry (DSF).
| Effector | ΔTm (°C) |
|---|---|
| No effector | 0 ± 0.4 |
| D-Glucose | −0.8 ± 1.4 |
| D-Gluconate | −0.01 ± 0.8 |
| 2-Keto-3-deoxygluconate | −1.0 ± 1.7 |
| 2-Keto-3-deoxy-6-phosphogluconate | +3.1 ± 0.7 |
| D-Fructose | −0.2 ± 0.3 |
| Fructose-1-phosphate | +0.06a |
| Fructose-1,6-bisphosphate | +1.5 ± 0.6 |
| D-Galactose | +0.4 ± 0.26 |
| 2-Keto-3-deoxy-6-phosphogalactonate | +3.7a |
| Glycerol | +0.01 ± 0.02 |
| Glycerol-3-phosphate | +2.8 ± 0.25 |
| Glyceraldehyde-3-phosphate | −0.4a |
| DHAP | +0.3 ± 0.06 |
| 3-Phosphoglycerate | −0.15 ± 0.07 |
| PEP | −0.7a |
| Pyruvate | −0.3 ± 0.2 |
Note: GfcR (1–5 μM) and 5 mM of ligand were used. Melting temperature (Tm value) of GfcR without ligand corresponds to 70.0 ± 0.4°C. ΔTm values indicate a shift of melting temperature of GfcR in the presence of ligand; values are given with standard deviations (SD).
Single measurements.