title: Do proteins predate DNA?
authors.affiliation: Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA.
authors.forename: S J
authors.initials: SJ
authors.lastname: Freeland
authors.forename: R D
authors.initials: RD
authors.lastname: Knight
authors.forename: L F
authors.initials: LF
authors.lastname: Landweber
mesh_terms: D002384:Catalysis; D004247:DNA / Q000096:biosynthesis / Q000737:chemistry; D004259:DNA-Directed DNA Polymerase / Q000378:metabolism; D019143:Evolution, Molecular; D005815:Genetic Code; D014176:Protein Biosynthesis; D011506:Proteins / Q000737:chemistry / Q000378:metabolism; D012313:RNA / Q000737:chemistry / Q000378:metabolism; D016337:RNA, Catalytic / Q000378:metabolism; D012264:Ribonucleotide Reductases / Q000378:metabolism; D012265:Ribonucleotides / Q000378:metabolism; D014158:Transcription, Genetic
chemical_list: D011506:Proteins; D016337:RNA, Catalytic; D012265:Ribonucleotides; D012313:RNA; D004247:DNA; D012264:Ribonucleotide Reductases; D004259:DNA-Directed DNA Polymerase