title: The evolution of elongation factors Tu and G by gene duplication.
mesh_terms: D000595:Amino Acid Sequence; D001426:Bacterial Proteins / Q000235:genetics; D005075:Biological Evolution; D004926:Escherichia coli; D020963:GTP Phosphohydrolase-Linked Elongation Factors / Q000378:metabolism; D005796:Genes; D010445:Peptide Elongation Factors / Q000235:genetics* / Q000378:metabolism; D011487:Protein Conformation
chemical_list: D001426:Bacterial Proteins; D010445:Peptide Elongation Factors; D020963:GTP Phosphohydrolase-Linked Elongation Factors