title: When protein engineering confronts the tRNA world.
authors.affiliation: Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
authors.forename: P
authors.initials: P
authors.lastname: Schimmel
authors.forename: D
authors.initials: D
authors.lastname: Söll
mesh_terms: D000604:Amino Acyl-tRNA Synthetases / Q000737:chemistry*; D016296:Mutagenesis; D009690:Nucleic Acid Conformation; D011487:Protein Conformation; D015202:Protein Engineering; D012343:RNA, Transfer / Q000737:chemistry* / Q000235:genetics
chemical_list: D012343:RNA, Transfer; D000604:Amino Acyl-tRNA Synthetases