title: Isolation of separate precursor polypeptides for the mouse mammary tumor virus glycoproteins and nonglycoproteins.
mesh_terms: D006023:Glycoproteins / Q000032:analysis / Q000302:isolation & purification*; D008324:Mammary Tumor Virus, Mouse / Q000032:analysis*; D011498:Protein Precursors / Q000032:analysis / Q000302:isolation & purification*; D014764:Viral Proteins / Q000032:analysis / Q000302:isolation & purification*
chemical_list: D006023:Glycoproteins; D011498:Protein Precursors; D014764:Viral Proteins