title: Sense and nonsense in the genetic code. Three exceptional triplets can serve as both chain-terminating signals and amino acid codons.
mesh_terms: D000469:Alkaline Phosphatase; D000596:Amino Acids; D001426:Bacterial Proteins / Q000096:biosynthesis; D003090:Coliphages; D004926:Escherichia coli; D005796:Genes; D005815:Genetic Code; D005827:Genetics, Microbial; D009154:Mutation; D009711:Nucleotides; D010641:Phenotype; D012329:RNA, Bacterial / Q000378:metabolism; D012333:RNA, Messenger / Q000378:metabolism; D012343:RNA, Transfer / Q000032:analysis; D013489:Suppression, Genetic
chemical_list: D000596:Amino Acids; D001426:Bacterial Proteins; D009711:Nucleotides; D012329:RNA, Bacterial; D012333:RNA, Messenger; D012343:RNA, Transfer; D000469:Alkaline Phosphatase