title: Structural proteins associated with ribosomal cistrons in Xenopus laevis chromosomes.
mesh_terms: D000818:Animals; D001001:Anura; D002417:Cattle; D002466:Cell Nucleolus / Q000032:analysis; D002467:Cell Nucleus; D002875:Chromosomes / Q000032:analysis; D004591:Electrophoresis, Polyacrylamide Gel; D005796:Genes; D006570:Heterochromatin; D006657:Histones; D006851:Hydrochloric Acid; D046911:Macromolecular Substances; D008297:Male; D008938:Mitosis; D011506:Proteins / Q000032:analysis; D012313:RNA; D012270:Ribosomes; D012967:Sodium Dodecyl Sulfate; D013194:Staining and Labeling / Q000379:methods; D014981:Xenopus
chemical_list: D006570:Heterochromatin; D006657:Histones; D046911:Macromolecular Substances; D011506:Proteins; D012967:Sodium Dodecyl Sulfate; D012313:RNA; D006851:Hydrochloric Acid