This invention relates to chemical modification of biologically active proteins which alters the chemical, physical and biological properties of the proteins. More specifically, this invention relates to the additions of various carbohydrate moieties by chemical means to bacterially produced recombinant...http://www.google.com/patents/US5312903?utm_source=gb-gplus-sharePatent US5312903 - Lysine-glycosylated recombinant interleukin-2
