Table 7.
The IC50 values of ligand determined from FRET mediated competition binding assay.
| Ligands | Linker length | Structure of the linker (-x-, from Scheme 1 and Scheme 2) |
IC50(nM) |
|---|---|---|---|
| Fluorescin-labeled- TAT peptide |
NA | NA | 86 ± 9 |
| DPA51 | 7 |
|
77 ± 27 |
| DPA52 | 7 |
|
60 ± 8 |
| DPA65 | 7 |
|
47 ± 6 |
| DPA53 | 8 |
|
56 ± 6 |
| DPA54 | 8 |
|
58 ± 6 |
| DPA55 | 10 |
|
80 ± 9 |
| DPA56 | 10 |
|
59 ± 11 |
| DPA58 | 16 |
|
61 ± 13 |
| DPA60 | 20 |
|
67 ± 9 |
| Neomycin | NA | NA | 713 ± 165 |