title: Function and properties of the "native" 30S and 50S ribosomal subunits of Escherichia coli.
mesh_terms: D002499:Centrifugation, Density Gradient; D004586:Electrophoresis; D004926:Escherichia coli / Q000166:cytology / Q000378:metabolism*; D066298:In Vitro Techniques; D008274:Magnesium; D010452:Peptide Biosynthesis; D011119:Polynucleotides / Q000378:metabolism; D012270:Ribosomes / Q000378:metabolism*; D014498:Uracil / Q000378:metabolism
chemical_list: D011119:Polynucleotides; D014498:Uracil; D008274:Magnesium