1. Abbreviations: AA, amino acid; for the individual amino acids the accepted three letter standard abbreviations are used. The particular enzymes will be denoted according to the amino acid abbreviations, e.g., Leu-tRNA synthetase. E, enzyme; E.AA-AMP denotes the enzyme-bound aminoacyl adenylate, the product of the first reaction step; PP., inorganic pyrophosphate; isoacceptor RNA, tRNA species accepting the same amino acid.
2. Induced Activation of Amino Acid Activating Enzymes by Amino Acids and †RNA
3. The Mechanism of Aminoacylation of Transfer RNA