title: Through ancient rings thread programming strings.
authors.forename: Martyn F
authors.initials: MF
authors.lastname: Symmons
authors.forename: Ben F
authors.initials: BF
authors.lastname: Luisi
mesh_terms: D003461:Crystallography; D019143:Evolution, Molecular; D055354:Exosomes / Q000737:chemistry* / Q000378:metabolism* / Q000648:ultrastructure; D006801:Humans; D008958:Models, Molecular; D011487:Protein Conformation; D017434:Protein Structure, Tertiary; D012313:RNA / Q000378:metabolism*
chemical_list: D012313:RNA