Cathepsin K enzyme bound to the inhibitor odanacatib. 3D rendering based on protein data bank entry 5tdi. Atoms shown as color-coded spheres. Protein and inhibitor shown in different colors.

Cyclosporin (cyclosporin, cyclosporin, cyclosporin, cyclosporin, cyclosporin) protein molecule. Atoms are represented as spheres with conventional color coding: hydrogen (white), carbon (grey), oxygen (red), nitrogen (blue).