Table 3.
Structure activity relationship of 1E7 and its derivatives
| Compound number | ID | Structure | Inhibition IC50, CEM T-cells, μM | Inhibition IC50, 293T cells, μM | Toxicity IC50, μM |
|---|---|---|---|---|---|
| Iteration 1 | |||||
| Reference (1H4) | ![]() |
10 | 5 | 100 | |
| 2 | 1D5 | ![]() |
10 | 0.1 | 2 |
| 3 | 1E6 | ![]() |
1 | 5 | >30 |
| 4 | 1G6 | ![]() |
5 | 4 | >30 |
| 6 | 1D9 | ![]() |
15 | 4 | >30 |
| 7 | 1E7 | ![]() |
2 | 0.9 | 10 |
| 10 | 2F2 | ![]() |
6 | 0.2 | 17 |
| 12 | 2A5 | ![]() |
5 | 0.1 | 26 |
| 14 | 3B3 | ![]() |
12 | 2 | >30 |
| 15 | 3A2 | ![]() |
ND | 10 | ND |
| 16 | 3A7 | ![]() |
NA | NA | ND |
| 17 | 1B10 | ![]() |
>50 | ND | ND |
| 18 | 3F8 | ![]() |
NA | NA | ND |
| 19 | 3G6 | ![]() |
NA | NA | ND |
| 20 | 3C2 | ![]() |
NA | NA | ND |
| 21 | 3A3 | ![]() |
NA | NA | ND |
| 22 | 3G8 | ![]() |
NA | NA | ND |
| 23 | 3C10 | ![]() |
>50 | ND | ND |
| 24 | 3G7 | ![]() |
NA | NA | ND |
| Iteration 2 | |||||
| 7a | 1E7-01 | ![]() |
8 | ND | >30 |
| 7b | 1E7-02 | ![]() |
8 | ND | >30 |
| 7c | 1E7-03 | ![]() |
2 | ND | >300 |
| 7d | 1E7-04 | ![]() |
3 | ND | 7 |
| 7e | 1E7-05 | ![]() |
>10 | ND | >30 |
| 7f | 1E7-06 | ![]() |
>10 | ND | >30 |
| 7g | 1E7-07 | ![]() |
activation | ND | >30 |
| 7h | 1E7-08 | ![]() |
>10 | ND | >30 |
| 7i | 1E7-09 | ![]() |
8 | ND | >30 |
| 7j | 1E7-10 | ![]() |
>10 | ND | >30 |
The original compound, 1H4, is placed in the beginning of the table as a reference.
NA, not active; ND, not determined.




























