Evidence for specific association of protein with newly formed ribosomal subunits.
D002499:Centrifugation, Density Gradient; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D066298:In Vitro Techniques; D007739:L Cells; D010740:Phospholipases; D011506:Proteins; D012260:Ribonucleases; D012270:Ribosomes; D014357:Trypsin; D014529:Uridine
D011506:Proteins; D010740:Phospholipases; D012260:Ribonucleases; D014357:Trypsin; D014529:Uridine