title: Negatively charged phosphopeptides of nucleolar nonhistone proteins from Novikoff hepatoma ascites cells.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000032:analysis*; D002852:Chromatography, Ion Exchange; D002868:Chromosomal Proteins, Non-Histone / Q000032:analysis*; D008113:Liver Neoplasms; D008297:Male; D008970:Molecular Weight; D009374:Neoplasms, Experimental; D010748:Phosphopeptides / Q000032:analysis*; D010750:Phosphoproteins / Q000032:analysis; D051381:Rats; D014357:Trypsin
chemical_list: D000596:Amino Acids; D002868:Chromosomal Proteins, Non-Histone; D010748:Phosphopeptides; D010750:Phosphoproteins; D014357:Trypsin