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. 2014 Oct 29;5:5127. doi: 10.1038/ncomms6127

Figure 1. The sequences of some standard k-turns.

Figure 1

The top sequence shows a standard k-turn with the standard nomenclature for nucleotide positions indicated8 and the 3b·3n position highlighted. Below are shown the sequences of the k-turns of H. marismortui ribosomal Kt-7, the SAM-I riboswitch, human U4 snRNA and box C/D snoRNA.