1. Bredt, D.S., and Snyder, S.H. 1990, Isolation of nitric oxide synthetase, a calmodulin-requiring enzyme, Proc. Natl. Acad. Sci., USA 87: 682–685.
2. Kwon, N.S., Nathan, C.F., Gilker, C, Griffith, O.W., Matthews, D.E., and Stuehr, D.J. 1990, L-Citrulline production from L-arginine by macrophage nitric oxide synthase. The ureido oxygen derives from dioxygen, J. Biol Chem. 265: 13442–13445.
3. McMillan, K., Bredt, D.S., Hirsch, D.J., Snyder, S.H., Clark, J.E., and Masters, B.S.S. 1992, Cloned, expressed rat cerebellar nitric oxide synthase contains stoichiometric amounts of heme, which binds carbon monoxide, Proc. Natl. Acad. Sci., USA 89: 11141–11145.
4. Stuehr, D.J., and Ikeda-Saito, M., 1992, Spectral characterization of brain and macrophage nitric oxide synthases. J. Biol. Chem. 267: 20547–20550.
5. Klatt, P., Schmidt, K., and Mayer, B. 1992, Brain nitric oxide synthase is a heme protein, Biochem. J. 288: 15–17.