title: Effect of gamma-irradiation on Escherichia coli ribosomes: reversible dissociation.
mesh_terms: D002499:Centrifugation, Density Gradient; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D004926:Escherichia coli; D008274:Magnesium; D010452:Peptide Biosynthesis; D010649:Phenylalanine / Q000378:metabolism; D011830:Radiation Effects; D012270:Ribosomes / Q000378:metabolism / Q000528:radiation effects*; D013053:Spectrophotometry
chemical_list: D010649:Phenylalanine; D008274:Magnesium