Yarus, M Intrinsic precision of aminoacyl-tRNA synthesis enhanced through parallel systems of ligands. [electronic resource] - Nature: New biology Sep 1972 - 106-8 p. digital Publication Type: Journal Article ISSN: 0090-0028 Standard No.: 10.1038/newbio239106a0 doi Subjects--Topical Terms: Amino Acids--metabolismAmino Acyl-tRNA Synthetases--metabolismEscherichia coliGenetic CodeProtein BindingRNA, Transfer--biosynthesis