Table 1.
Cpd Class | Cpd Name | Structure | % Inhib. (ThT)a | Sed. Assayb | % Inhib. (ThT) No DTT | Sed. Assay No DTT | IC50 (μM) |
---|---|---|---|---|---|---|---|
Antraquinones | 31G03 | 76 | ++ | 39 | - | 0.63 | |
Quinoxalines | 113F08 | 69 | ++ | 70 | +++ | 2.4 | |
330B06 | 27 | +++ | 85 | ++ | 3.1 | ||
Pyrimidotriazines | 300C04 | 94 | +++ | 20 | - | 0.36 | |
Sulfonated Dyes | 6C06 | 102 | +++ | 51 | - | 3.2 | |
Depsidones | 15B02 | 98 | +++ | 100 | +++ | 1.6 | |
Porphyrins | 06D04 | 75 | +++ | -2.6 | nd | 4.5 | |
Phenothiazines | 30H07 | 100 | +++ | 99 | nd | 0.29 | |
Benzofuran | 348E10 | 84 | +++ | 9.8 | nd | 0.61 |
Percentage inhibition of K18 fibrillization followed by ThT assay;
Sedimentation assay data: “+++” = 100% inhibition, “-“ = 0% inhibition, IC50 determined in the presence of DTT. Additional hits from the pyrimidotriazines, 17H03 and 93D02, behaved similarly to 300C04 and are not shown.