Article
Conserved residues in yeast initiator tRNA calibrate initiation accuracy by regulating preinitiation complex stability at the start codon.
Genes & development - 1 Mar 2014
Dong Jinsheng, Munoz Antonio, Kolitz Sarah E, Saini Adesh K, Chiu Wen-ling, Rahman Hafsa, Lorsch Jon R, Hinnebusch Alan G
Abstract excerpt
Eukaryotic initiator tRNA (tRNAi) contains several highly conserved unique sequence features, but their importance in accurate start codon selection was unknown. Here we show that conserved bases throughout tRNAi, from the anticodon stem to acceptor stem, play key roles in ensuring the fidelity of start codon recognition in yeast cells. Substituting the conserved G31:C39 base pair in the anticodon stem with...
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