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Figure 9 | Biology Direct

Figure 9

From: On origin of genetic code and tRNA before translation

Figure 9

Comparison of overrepresented and absent coding tetraplets in Arg-, Ile- and Tyr-binding sites of "selexed" RNA aptamers. The 3'-CGCC-5' is questionable as a possible coding motif for putative Ala-binding site. Anticodons are underlined. Complementary "yellow" and "green" tetraplets cannot be confused (in contrast to self-complementary "blue" ones).

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