Aminoacyl-tRNA synthetases: sone recent results and achievements.

Adenosine Triphosphate/metabolism Amino Acyl-tRNA Synthetases/isolation & purification,metabolism Animals Binding Sites Cations, Divalent Chromosome Mapping Crystallization Diphosphates/metabolism Escherichia coli/enzymology Genes Kinetics Macromolecular Substances Mutation Protein Binding Protein Biosynthesis Protein Conformation RNA, Transfer/metabolism Saccharomyces cerevisiae/enzymology Salmonella typhimurium/enzymology Species Specificity

Cations, Divalent Diphosphates Macromolecular Substances Adenosine Triphosphate RNA, Transfer Amino Acyl-tRNA Synthetases