title: Conservation of primary structure in 16S ribosomal RNA.
mesh_terms: D001483:Base Sequence; D004926:Escherichia coli / Q000032:analysis*; D006868:Hydrolysis; D009841:Oligonucleotides / Q000032:analysis*; D010802:Phylogeny; D012329:RNA, Bacterial / Q000032:analysis*; D012335:RNA, Ribosomal / Q000032:analysis*; D012260:Ribonucleases
chemical_list: D009841:Oligonucleotides; D012329:RNA, Bacterial; D012335:RNA, Ribosomal; D012260:Ribonucleases