BPTF bromodomain (gray) cocrystal structures with A,B) 10 (magenta, PDB: 7RWP, 1.73 Å resolution), C) 12 (yellow, PDB: 7RWQ, 1.90 Å resolution), D) 13 (orange, PDB: 7RWO, 1.58 Å resolution) and E) 19 (blue, PDB ID: 7M2E, 1.75 Å resolution). Hydrogen bonds are shown as yellow dashed lines. The distances (Å) between key residues are indicated. Three of the conserved structured waters are excluded for clarity.