Nonsense codons.
D000595:Amino Acid Sequence; D003090:Coliphages; D005815:Genetic Code; D006898:Hydroxylamines / Q000494:pharmacology; D009154:Mutation / Q000187:drug effects; D010452:Peptide Biosynthesis; D011687:Purines / Q000494:pharmacology; D012343:RNA, Transfer; D014764:Viral Proteins / Q000096:biosynthesis
D006898:Hydroxylamines; D011687:Purines; D014764:Viral Proteins; D012343:RNA, Transfer