title: Structural alterations in the 30 S ribosomal subunit of Escherichia coli observed with the fluorescent probe N-(3-pyrene) maleimide.
mesh_terms: D004926:Escherichia coli / Q000648:ultrastructure*; D005456:Fluorescent Dyes; D008274:Magnesium / Q000494:pharmacology; D008301:Maleimides; D011721:Pyrenes; D012270:Ribosomes / Q000187:drug effects / Q000648:ultrastructure*; D014364:Tryptophan / Q000032:analysis; D014508:Urea / Q000494:pharmacology
chemical_list: D005456:Fluorescent Dyes; D008301:Maleimides; D011721:Pyrenes; D014364:Tryptophan; D014508:Urea; D008274:Magnesium