title: Internal sequence homology in E. coli isoleucyl- and valyl-tRNA synthetases.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000604:Amino Acyl-tRNA Synthetases; D004926:Escherichia coli / Q000201:enzymology*; D001411:Geobacillus stearothermophilus / Q000201:enzymology; D007533:Isoleucine-tRNA Ligase; D010446:Peptide Fragments / Q000032:analysis; D013045:Species Specificity; D014637:Valine-tRNA Ligase
chemical_list: D000596:Amino Acids; D010446:Peptide Fragments; D000604:Amino Acyl-tRNA Synthetases; D007533:Isoleucine-tRNA Ligase; D014637:Valine-tRNA Ligase