title: The activation of 50S and 30S E. coli ribosomes for polyphenylalanine synthesis.
mesh_terms: D000588:Amines / Q000494:pharmacology; D000643:Ammonium Chloride / Q000494:pharmacology; D002499:Centrifugation, Density Gradient; D004926:Escherichia coli; D010452:Peptide Biosynthesis; D010649:Phenylalanine / Q000378:metabolism; D011188:Potassium / Q000494:pharmacology; D012343:RNA, Transfer / Q000502:physiology; D012270:Ribosomes / Q000502:physiology*; D013696:Temperature
chemical_list: D000588:Amines; D000643:Ammonium Chloride; D010649:Phenylalanine; D012343:RNA, Transfer; D011188:Potassium