title: Reconfirmation of replacement of magnesium ion requirement by polyamines in isoleucyl-tRNA formation in Escherichia coli.
mesh_terms: D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D004789:Enzyme Activation; D004926:Escherichia coli; D007533:Isoleucine-tRNA Ligase / Q000378:metabolism*; D008274:Magnesium / Q000032:analysis / Q000494:pharmacology*; D011073:Polyamines / Q000494:pharmacology*; D012329:RNA, Bacterial / Q000032:analysis; D012343:RNA, Transfer / Q000032:analysis
chemical_list: D011073:Polyamines; D012329:RNA, Bacterial; D012343:RNA, Transfer; D000604:Amino Acyl-tRNA Synthetases; D007533:Isoleucine-tRNA Ligase; D008274:Magnesium