title: Read-through proteins of group 4 RNA bacteriophages TW19 and TW28.
abstract: Group 4 phages TW19 and TW28 of Escherichia coli possess a "read-through" (IIb) protein, although group 2 phage GA does not. This may have implications concerning the evolution and classification of RNA phages.
mesh_terms: D005075:Biological Evolution; D003090:Coliphages / Q000032:analysis* / Q000145:classification; D005815:Genetic Code; D010455:Peptides / Q000032:analysis; D014764:Viral Proteins / Q000032:analysis*
chemical_list: D010455:Peptides; D014764:Viral Proteins