Compositions useful for detecting ras gene proteins are described consisting of GTP and a protein having an apparent reduced molecular weight of about 115,000-120,000 daltons, or fragments derived therefrom, that stimulate ras protein guanosine triphosphatase activity. Also described are methods whereby...http://www.google.ca/patents/US5104975?utm_source=gb-gplus-sharePatent US5104975 - Compositions for detecting ras gene proteins and cancer therapeutics
