title: Determining the polarity of the map of crosslinked interactions in Escherichia coli 16 S ribosomal RNA.
mesh_terms: D004274:DNA, Recombinant; D004926:Escherichia coli; D008854:Microscopy, Electron; D009690:Nucleic Acid Conformation; D009693:Nucleic Acid Hybridization; D010777:Photochemistry; D012329:RNA, Bacterial; D012335:RNA, Ribosomal; D014307:Trioxsalen / Q000031:analogs & derivatives
chemical_list: D004274:DNA, Recombinant; D012329:RNA, Bacterial; D012335:RNA, Ribosomal; D014307:Trioxsalen