Table 3.
Chemical structures and CDKs inhibitory activities of degraders.
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---|---|---|---|---|
Compound | TMX-2138 | TMX-2172 | ZXH-7035 | TMX-2174 |
CDK1/cyclin B IC50 (nM) |
8.7 | 20.3 | 8.9 | 8.9 |
CDK2/cyclin A IC50 (nM) |
10.9 | 6.5 | 2.2 | 8.1 |
CDK5/p25 IC50 (nM) |
7.0 | 6.8 | 2.6 | 7.1 |
CDK4/cyclin D1 IC50 (nM) |
901.0 | 7390.0 | ND[a] | 2880.0 |
CDK6/cyclin D1 IC50 (nM) |
465.0 | 2220.0 | ND | 1130.0 |
CDK7/cyclin H IC50 (nM) |
286.0 | 2620.0 | ND | 343.0 |
CDK9/cyclin T1 IC50 (nM) |
25.7 | 2640.0 | ND | 116.0 |
Not determined. All the IC50 values were tested in duplicate, value ranges are shown in Table S2 in the Supporting Information.