title: Relation between subunit structure and temperature-sensitivity of mutant phenylalanyl RNA synthetases of Escherichia coli.
mesh_terms: D000818:Animals; D000941:Antigens; D002247:Carbon Isotopes; D002474:Cell-Free System; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002850:Chromatography, Gel; D004355:Drug Stability; D004926:Escherichia coli / Q000201:enzymology*; D006146:Guanidines; D007106:Immune Sera; D008025:Ligases; D009154:Mutation; D010649:Phenylalanine; D012313:RNA; D011817:Rabbits; D013696:Temperature; D014508:Urea
chemical_list: D000941:Antigens; D002247:Carbon Isotopes; D006146:Guanidines; D007106:Immune Sera; D010649:Phenylalanine; D012313:RNA; D014508:Urea; D008025:Ligases