title: Leucyl-tRNA synthetase. Purification of two interconvertible forms and evidence for an interconversion factor.
mesh_terms: D000255:Adenosine Triphosphate; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D011756:Diphosphates; D004589:Electrophoresis, Disc; D004926:Escherichia coli / Q000201:enzymology; D007930:Leucine; D008025:Ligases / Q000302:isolation & purification*; D008970:Molecular Weight; D010759:Phosphorus Isotopes; D012343:RNA, Transfer; D014461:Ultracentrifugation
chemical_list: D002247:Carbon Isotopes; D011756:Diphosphates; D010759:Phosphorus Isotopes; D000255:Adenosine Triphosphate; D012343:RNA, Transfer; D008025:Ligases; D007930:Leucine