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. 2001 Jan 23;98(5):2268–2273. doi: 10.1073/pnas.031488298

Figure 1.

Figure 1

Cloverleaf structure of the human initiator tRNA (Left) and E. coli initiator tRNA (Right). Arrows indicate the sequence changes in these tRNAs for their use as part of the 21st synthetase–tRNA pairs in yeast (Left) and E. coli (Right).