| Target |
Kd: 44 nM (Brd4BD2, cell assay), 38.8 nM (Brd4BD2 QVK, cell assay), 111 nM (Brd2BD1, cell assay), 94 nM (Brd2BD2, cell assay), 35 nM (Brd3BD1, cell assay), 39 nM (Brd3BD2, cell assay), 75 nM (Brd4BD1, cell assay), 35 nM (Brd2BD1 KEA, cell assay)[1]
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| In Vitro |
BRD4 degrader AT1 is a highly selective Brd4 degrader, with a Kd of 44 nM, for Brd4BD2 in cells. BRD4 degrader AT1 also shows Kds of 38.8 nM for a mutant Brd4BD2 (QVK), 111 ± 14 nM for Brd2BD1, 94 ± 9 nM for Brd2BD2, 35 ± 3 nM for Brd3BD1, 39 ± 8 nM for Brd3BD2, 75 ± 23 nM for Brd4BD1 and 35 ± 4 nM for a Brd2BD1 mutant (KEA). BRD4 degrader AT1 (1-3 μM) causes remarkable Brd4-selective depletion and has no or little activity against Brd2 and Brd3[1].
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