7.1.1.3 2-heptyl-4-hydroxyquinoline N-oxide - 2007 7.1.1.3 2-n-heptyl-4-hydroxyquinoline N-oxide - 2812 7.1.1.3 aurachin C1-10 competitive inhibitor 15178 7.1.1.3 aurachin C1-10 - 15178 7.1.1.3 cyanide - 118 7.1.1.3 cystine - 1967 7.1.1.3 KCN - 161 7.1.1.3 additional information enzyme is insensitive to sulfide up to 0.058 mM 2 7.1.1.3 nitric oxide reversible inhibition 662 7.1.1.3 Sulfide inhibition is fully reversible; low-micromolar levels of sulfide directly inhibit the proton-pumping cytochrome bo oxidase, but not cytochrome bd oxidase 318 7.1.1.3 Sulfide - 318 7.1.1.3 ZnSO4 - 485