Dissociation constants (Kd/nM) for binding of monodisperse BTA dimers to protein fibrils measured using fluorescent titrations in PBS 1× at pH 7.4 and 298 Ka.
Compound | n | α-Synuclein | Protein Aβ42 | Tau |
---|---|---|---|---|
13 | 3 | — | — | — |
14 | 6 | 190 ± 140 | 1400 ± 1600 | 900 ± 700 |
15 | 9 | 2.7 ± 1.5 | 78 ± 26 | 1000 ± 300 |
16 | 15 | 35 ± 15 | 7 ± 5 | 110 ± 57 |
17 | 21 | 210 ± 180 | 320 ± 75 | 280 ± 48 |
All measurements were repeated at least three times, and the errors are quoted at the 95% confidence limit. n is the number of ethylene glycol units in the linker.