23 s precursor ribosomal RNA of Rhodopseudomonas spheroides.
D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D004589:Electrophoresis, Disc; D008970:Molecular Weight; D012329:RNA, Bacterial / Q000032:analysis*; D012241:Rhodopseudomonas / Q000032:analysis*; D012270:Ribosomes / Q000032:analysis; D014316:Tritium
D002247:Carbon Isotopes; D012329:RNA, Bacterial; D014316:Tritium