an activity that transforms nih 3t3 cells was generated by the in vitro modification of plasmids containing the human c-ha-ras-1 proto-oncogene with the synthesized ultimate carcinogen , 2-acetoxyamino-6-methyldipyrido [ 1,2-a:3',2'-d ] -imidazole ( n-oac-glu-p-1 ) .
C0086418
human
C0034678
ras