Table 3.
Binding parameters for GA-NMM complexes obtained via UV-Vis and fluorescent titrations in 5K buffer. Graphical representation of this data can be found in Figure S10.
| GA1 | GA2 | GA3 | ||||
|---|---|---|---|---|---|---|
| Method | UV-vis | FL | UV-vis | FL | UV-vis | FL |
| Red Shift, nm | 21.0 ± 0.5 | - | 21.3 ± 0.2 | - | 21.4 ± 0.4 | - |
| Hypochromicity, % | 20.9 ± 2.4 | - | 19 ± 4 | - | 28 ± 6 | - |
| Isosbestic point, nm | 395.6 ± 0.6 | - | 395.6 ± 0.3 | - | 397 ± 1 | - |
| FL enhancement | - | 27 ± 4 | - | 33 ± 16 | - | 27 ± 4 |
| Ka, μM−1 (1: 1NMM) | 0.19 ± 0.05 | 0.4 ± 0.2 | 1.4 ± 0.1 | 1.0 ± 0.2 | 0.24 ± 0.03 | 0.4 ± 0.2 |
| Ka, μM−1 (1:2NMM) | 0.07 ± 0.02 | 0.18 ± 0.07 | - | 0.36 ± 0.03 | 0.095 ± 0.01 | 0.2 ± 0.1 |
| Ka, ÅM−1 (2:1NMM) | 0.8 ± 0.2 | 1.1 ± 0.6 | - | 3.7 ± 1.4 | 0.96 ± 0.01 | 1.1 ± 0.8 |