title: Use of mutant enzymes to demonstrate the presence of two active sites on phenylalanyl-tRNA synthetase from Eschericia coli.
mesh_terms: D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism; D001665:Binding Sites; D004926:Escherichia coli / Q000201:enzymology*; D005838:Genotype; D006824:Hybridization, Genetic; D007700:Kinetics; D009154:Mutation; D010652:Phenylalanine-tRNA Ligase / Q000378:metabolism; D013045:Species Specificity; D013696:Temperature
chemical_list: D000604:Amino Acyl-tRNA Synthetases; D010652:Phenylalanine-tRNA Ligase