title: Recent problems in the genetic code.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids; D004247:DNA / Q000032:analysis; D005815:Genetic Code; D009154:Mutation; D011506:Proteins / Q000032:analysis; D012343:RNA, Transfer
chemical_list: D000596:Amino Acids; D011506:Proteins; D004247:DNA; D012343:RNA, Transfer