title: Subribosomal particles of cultured Chinese hamster cells. Identification of ring-shaped structures with 21S protein particles.
mesh_terms: D000818:Animals; D002460:Cell Line; D002499:Centrifugation, Density Gradient; D008970:Molecular Weight; D009698:Nucleoproteins; D010527:Perissodactyla; D011506:Proteins; D012261:Ribonucleoproteins; D012270:Ribosomes / Q000032:analysis / Q000648:ultrastructure*
chemical_list: D009698:Nucleoproteins; D011506:Proteins; D012261:Ribonucleoproteins