title: Some physical properties of lysyl and arginyl-transfer RNA synthetases of Escherichia coli B.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D001120:Arginine; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D003902:Detergents; D004586:Electrophoresis; D004926:Escherichia coli / Q000201:enzymology; D008025:Ligases / Q000302:isolation & purification; D008239:Lysine; D008970:Molecular Weight; D012343:RNA, Transfer; D013431:Sulfates; D014461:Ultracentrifugation
chemical_list: D000596:Amino Acids; D003902:Detergents; D013431:Sulfates; D012343:RNA, Transfer; D001120:Arginine; D008025:Ligases; D008239:Lysine