title: Isolation from rat liver of all aminoacyl-tRNA synthetases by centrifugation.
mesh_terms: D000596:Amino Acids; D000818:Animals; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D003545:Cysteine; D008025:Ligases / Q000302:isolation & purification*; D008099:Liver / Q000201:enzymology; D008297:Male; D008722:Methods; D012343:RNA, Transfer; D051381:Rats; D014461:Ultracentrifugation
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D012343:RNA, Transfer; D008025:Ligases; D003545:Cysteine