cyclooxygenase-2 bound to non-selective inhibitor, indomethacin (red), with the interacting residues labeled.

3d background biochemistry biology black carbohydrate cartoon chemistry close color complex computer cox-2 cox2 cyclooxigenase-2 digital drug enzyme glycoprotein glycosylation graphic helix human inactivation indomethacin inhibitor interaction isolated labels ligand medicine model molecule oxidoreductase prostaglandin protein protoporphyrin receptor residues ribbon science secondary shape structure subunit synthase tertiary therapy