title: Isolation of an "additional" structural protein from Escherichia coli ribosomes by gel filtration at a high ionic strength.
mesh_terms: D001426:Bacterial Proteins / Q000032:analysis / Q000302:isolation & purification*; D002712:Chlorides; D002850:Chromatography, Gel; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000032:analysis*; D008094:Lithium; D008722:Methods; D012335:RNA, Ribosomal / Q000032:analysis; D012270:Ribosomes / Q000032:analysis*; D013053:Spectrophotometry; D014461:Ultracentrifugation
chemical_list: D001426:Bacterial Proteins; D002712:Chlorides; D012335:RNA, Ribosomal; D008094:Lithium