title: X-ray diffraction studies of crystalline transfer RNA.
mesh_terms: D055598:Chemical Phenomena; D011232:Chemical Precipitation; D002621:Chemistry; D003460:Crystallization; D004926:Escherichia coli; D008722:Methods; D000644:Quaternary Ammonium Compounds; D012329:RNA, Bacterial; D012343:RNA, Transfer / Q000302:isolation & purification; D013431:Sulfates; D014961:X-Ray Diffraction
chemical_list: D000644:Quaternary Ammonium Compounds; D012329:RNA, Bacterial; D013431:Sulfates; D012343:RNA, Transfer