title: Phosphorylated and nonphosphorylated forms of avian sarcoma virus polypeptide p19.
mesh_terms: D001358:Avian Sarcoma Viruses / Q000032:analysis*; D004591:Electrophoresis, Polyacrylamide Gel; D008970:Molecular Weight; D010455:Peptides / Q000032:analysis; D010748:Phosphopeptides / Q000032:analysis*; D011233:Precipitin Tests; D014764:Viral Proteins / Q000032:analysis*
chemical_list: D010455:Peptides; D010748:Phosphopeptides; D014764:Viral Proteins