Table 2.
No | Spacer (X) | Kd ± s.d (μM)a | No. | Spacer (X) | Kd ± s.d (μM)a |
---|---|---|---|---|---|
16 | 8.6 ± 0.9 | 23 | 5.0 ± 0.9 | ||
17 | 9.0 ± 3.2 | 24 | 0.77 ± 0.04 | ||
18 | 5.3 ± 0.6 | 25 | 14.2 ± 2.1 | ||
19 | 9.5 ± 1.1 | 26 | 25.4 ± 1.6 | ||
20 | 18.0 ± 0.8 | 27 | 0.5 ± 0.3 | ||
21 | 23.9 ± 2.0 | 28 | 12.3 ± 2.3 | ||
22 | poor |
Determined by a direct binding fluorescence anisotropy assay as described in the experimental procedures.