title: The early evolution of the genetic code.
authors.affiliation: Department of Ecology and Evolutionary Biology, Princeton University, New Jersey 08544, USA. rdknight@princeton.edu
authors.forename: R D
authors.initials: RD
authors.lastname: Knight
authors.forename: L F
authors.initials: LF
authors.lastname: Landweber
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D019143:Evolution, Molecular; D005815:Genetic Code; D006801:Humans; D008969:Molecular Sequence Data