title: Ribozyme programming extends the protein code.
authors.forename: Koji
authors.initials: K
authors.lastname: Tamura
authors.forename: Paul
authors.initials: P
authors.lastname: Schimmel
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D000604:Amino Acyl-tRNA Synthetases / Q000235:genetics / Q000302:isolation & purification; D001483:Base Sequence; D003001:Cloning, Molecular / Q000379:methods; D019020:Directed Molecular Evolution / Q000379:methods*; D008954:Models, Biological; D008956:Models, Chemical; D008958:Models, Molecular; D008969:Molecular Sequence Data; D015202:Protein Engineering / Q000379:methods; D016337:RNA, Catalytic / Q000235:genetics* / Q000302:isolation & purification* / Q000378:metabolism; D012343:RNA, Transfer / Q000235:genetics* / Q000302:isolation & purification* / Q000378:metabolism; D012680:Sensitivity and Specificity; D013379:Substrate Specificity
chemical_list: D000596:Amino Acids; D016337:RNA, Catalytic; D012343:RNA, Transfer; D000604:Amino Acyl-tRNA Synthetases