title: Redesigning enzyme structure by site-directed mutagenesis: tyrosyl tRNA synthetase and ATP binding.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism*; D000604:Amino Acyl-tRNA Synthetases / Q000235:genetics*; D001483:Base Sequence; D001665:Binding Sites; D003545:Cysteine; D005798:Genes, Bacterial; D005818:Genetic Engineering; D001411:Geobacillus stearothermophilus / Q000201:enzymology; D009154:Mutation; D012694:Serine; D013329:Structure-Activity Relationship; D014448:Tyrosine-tRNA Ligase / Q000235:genetics*
chemical_list: D012694:Serine; D000255:Adenosine Triphosphate; D000604:Amino Acyl-tRNA Synthetases; D014448:Tyrosine-tRNA Ligase; D003545:Cysteine