title: Reductive methylation: a method for preparing functionally active radioactive ribosomes.
mesh_terms: D001345:Autoradiography; D001426:Bacterial Proteins / Q000032:analysis / Q000096:biosynthesis; D001894:Borohydrides; D004926:Escherichia coli / Q000032:analysis / Q000166:cytology; D005557:Formaldehyde; D007553:Isotope Labeling; D008239:Lysine / Q000378:metabolism; D008745:Methylation; D012270:Ribosomes / Q000032:analysis* / Q000378:metabolism; D014316:Tritium
chemical_list: D001426:Bacterial Proteins; D001894:Borohydrides; D014316:Tritium; D005557:Formaldehyde; D008239:Lysine