title: Effect of 30S ribosomal subunits on polyphenylalanine synthesis in Escherichia coli.
mesh_terms: D000643:Ammonium Chloride / Q000494:pharmacology; D002247:Carbon Isotopes; D002474:Cell-Free System; D011232:Chemical Precipitation; D004926:Escherichia coli / Q000378:metabolism*; D008274:Magnesium / Q000494:pharmacology; D010649:Phenylalanine / Q000096:biosynthesis*; D012270:Ribosomes / Q000032:analysis*
chemical_list: D002247:Carbon Isotopes; D000643:Ammonium Chloride; D010649:Phenylalanine; D008274:Magnesium