title: Which is the most conserved group of proteins? Homology-orthology, paralogy, xenology, and the fusion of independent lineages.
authors: J P
authors: JP
authors: Gogarten
mesh_terms: D000251:Adenosine Triphosphatases / Q000145:classification / Q000235:genetics; D000595:Amino Acid Sequence; D001105:Archaea / Q000145:classification / Q000235:genetics; D001419:Bacteria / Q000145:classification / Q000235:genetics; D001426:Bacterial Proteins / Q000145:classification / Q000235:genetics; D017124:Conserved Sequence; D029968:Escherichia coli Proteins; D005057:Eukaryotic Cells / Q000145:classification; D018840:HSP70 Heat-Shock Proteins / Q000145:classification / Q000235:genetics; D020648:Peptide Elongation Factor 1; D010445:Peptide Elongation Factors / Q000145:classification / Q000235:genetics; D011506:Proteins / Q000145:classification* / Q000235:genetics*; D017386:Sequence Homology, Amino Acid
chemical_list: D001426:Bacterial Proteins; D029968:Escherichia coli Proteins; D018840:HSP70 Heat-Shock Proteins; D020648:Peptide Elongation Factor 1; D010445:Peptide Elongation Factors; D011506:Proteins; C078473:MreB protein, E coli; D000251:Adenosine Triphosphatases