title: Reconstitution of 50 S ribosomal subunits from Escherichia coli.
mesh_terms: D002458:Cell Fractionation / Q000379:methods; D002499:Centrifugation, Density Gradient / Q000379:methods; D003956:Dialysis; D004926:Escherichia coli / Q000378:metabolism / Q000648:ultrastructure*; D007700:Kinetics; D008274:Magnesium; D010649:Phenylalanine / Q000378:metabolism; D011072:Poly U; D014176:Protein Biosynthesis; D012346:RNA, Transfer, Amino Acyl / Q000378:metabolism; D012269:Ribosomal Proteins / Q000302:isolation & purification / Q000378:metabolism; D012270:Ribosomes / Q000378:metabolism / Q000648:ultrastructure*
chemical_list: D012346:RNA, Transfer, Amino Acyl; D012269:Ribosomal Proteins; D011072:Poly U; D010649:Phenylalanine; D008274:Magnesium