Description_x000D_ General description_x000D_ The nitric oxide synthase (nNOS) gene is localized on human chromosome 12q24.22. The enzyme is involved in the production of nitric oxide._x000D_ Application_x000D_ Spermidine trihydrochloride has been used in fourier transform infrared spectroscopy (FTIR)characterization and in zeta-potential measurements._x000D_ Packaging_x000D_ 1, 5, 25 g in poly bottle_x000D_ Biochem/physiol Actions_x000D_ Inhibits neuronal nitric oxide synthase (nNOS). Binds and precipitates DNA; may be used for purification of DNA binding proteins. Stimulates T4 polynucleotide kinase activity._x000D_ Features and Benefits_x000D_ This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more._x000D_ Caution_x000D_ Solutions should be sterile-filtered, not autoclaved, if sterile solution is necessary. Spermidine deaminates with time; solutions should be stored frozen. Prepare new solutions frequently._x000D_ Legal Information_x000D_ LOPAC is a registered trademark of Sigma-Aldrich Co. LLC