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. 2016 Feb 24;6:21898. doi: 10.1038/srep21898

Figure 1. Hypothetical models for +1 frameshift (quadruplet decoding) with tRNAs containing extended anticodon loop.

Figure 1

(A) The yardstick model features quadruplet anticodon-codon interaction in the A site followed by quadruplet translocation; (B) The Slippery model features normal triplet decoding in the A site, normal triplet translocation, and a slippage in the P site.