title: RNA tumor virus phosphoproteins: phosphorylation of precursor and processed polypeptides.
mesh_terms: D017988:Gammaretrovirus / Q000378:metabolism*; D008970:Molecular Weight; D010455:Peptides; D010750:Phosphoproteins / Q000378:metabolism*
chemical_list: D010455:Peptides; D010750:Phosphoproteins