title: Aminoacylation of tRNA. Magnesium requirement and spermidine effect.
mesh_terms: D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology; D007700:Kinetics; D007930:Leucine; D008274:Magnesium / Q000494:pharmacology*; D012343:RNA, Transfer / Q000378:metabolism*; D012441:Saccharomyces cerevisiae / Q000187:drug effects / Q000201:enzymology; D013095:Spermidine / Q000494:pharmacology*; D046249:Transfer RNA Aminoacylation / Q000187:drug effects*
chemical_list: D012343:RNA, Transfer; D000604:Amino Acyl-tRNA Synthetases; D007930:Leucine; D008274:Magnesium; D013095:Spermidine