title: Change of isoaccepting threonyl-tRNA and contitutively increased level of threonyl-tRNA-synthetase in E. coli.
mesh_terms: D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D002848:Chromatography, DEAE-Cellulose; D004926:Escherichia coli / Q000378:metabolism*; D012329:RNA, Bacterial / Q000378:metabolism; D012343:RNA, Transfer / Q000302:isolation & purification / Q000378:metabolism*; D012694:Serine; D013045:Species Specificity; D013912:Threonine; D013914:Threonine-tRNA Ligase / Q000302:isolation & purification / Q000378:metabolism*
chemical_list: D012329:RNA, Bacterial; D013912:Threonine; D012694:Serine; D012343:RNA, Transfer; D000604:Amino Acyl-tRNA Synthetases; D013914:Threonine-tRNA Ligase