The co-crystal structure of compound 71 bound to PI3Kγ (PDB 4WWN, 2.7 Å). Left Panel: Interaction of compound 71 with the protein. The protein is depicted as yellow ribbons, and hydrogen bonds are illustrated with blue dashed lines; Right panel: The compound 71 binding site in PI3Kγ. The surface of the protein is depicted in blue. Compound 71 atoms are colored as follows: carbon, red-orange; nitrogen, blue; oxygen, red; chlorine, green; fluorine, jade; hydrogen, white; the chiral carbon is highlighted in violet.