Ceruloplasmin is a NO oxidase and nitrite synthase that determines endocrine NO homeostasis.
Shiva S, Wang X, Ringwood LA, Xu X, Yuditskaya S, Annavajjhala V, Miyajima H, Hogg N, Harris ZL, Gladwin MT. Ceruloplasmin is a NO oxidase and nitrite synthase that determines endocrine NO homeostasis. Nat Chem Biol. 2006 Sep; 2(9):486-93.