The co-crystal structure of compound 57 bound to RIP1 (PDB 5TX5, 2.56 Å). Left Panel: Interaction of compound 61 with the protein. The protein is depicted as yellow ribbons, and the hydrogen bonds are illustrated with blue dashed lines; Right panel: The binding site of compound 57 in RIP1, The protein surface is depicted in blue. Compound 57 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.