title: A flexible genetic code, or why does selenocysteine have no unique codon?
authors.forename: H
authors.initials: H
authors.lastname: Engelberg-Kulka
authors.forename: R
authors.initials: R
authors.lastname: Schoulaker-Schwarz
mesh_terms: D000693:Anaerobiosis; D003062:Codon / Q000235:genetics; D003545:Cysteine / Q000031:analogs & derivatives* / Q000378:metabolism; D004926:Escherichia coli / Q000235:genetics; D005815:Genetic Code; D010441:Peptide Chain Elongation, Translational; D012643:Selenium / Q000378:metabolism*; D017279:Selenocysteine
chemical_list: D003062:Codon; D017279:Selenocysteine; D012643:Selenium; D003545:Cysteine