title: Proofreading systems of multiple stages for improved accuracy of biological discrimination.
mesh_terms: D000215:Acylation; D004798:Enzymes / Q000378:metabolism*; D007533:Isoleucine-tRNA Ligase / Q000378:metabolism; D008954:Models, Biological; D012343:RNA, Transfer / Q000378:metabolism; D013816:Thermodynamics; D014637:Valine-tRNA Ligase / Q000378:metabolism
chemical_list: D004798:Enzymes; D012343:RNA, Transfer; D007533:Isoleucine-tRNA Ligase; D014637:Valine-tRNA Ligase