title: Studies on ribosomal RNA structure. I. The isolation of crystallizable fragments.
mesh_terms: D000225:Adenine / Q000032:analysis; D000818:Animals; D002417:Cattle; D002850:Chromatography, Gel; D003460:Crystallization; D004926:Escherichia coli; D006147:Guanine / Q000032:analysis; D008970:Molecular Weight; D010179:Pancreas / Q000201:enzymology; D012313:RNA / Q000032:analysis*; D011817:Rabbits; D012156:Reticulocytes / Q000032:analysis; D012260:Ribonucleases; D012270:Ribosomes / Q000201:enzymology / Q000378:metabolism*; D012440:Saccharomyces; D012972:Sodium Hydroxide; D014461:Ultracentrifugation; D014961:X-Ray Diffraction
chemical_list: D012972:Sodium Hydroxide; D006147:Guanine; D012313:RNA; D012260:Ribonucleases; D000225:Adenine