The crystal structure of a 26-nucleotide RNA containing a hook-turn

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FIGURE 3.
FIGURE 3.

Non-Watson-Crick base interactions in BCh12. (A) The sheared G(S7)–A(L8) pair. (B) The reversed-Hoogsteen pairing of A(S8) and U(L7), showing the interaction of the phosphate group of A(S8) with N4 of C(L6). (C) The A-minor interaction between A(S9) and the G(L9)–C(S6) base pair. (D) The water-mediated interaction of C(S10) with U(L10). (E) The C(L1)–C(L6) base pair in the dimerization helix.

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  1. RNA 9: 44-51

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