Unique anticodon loop conformation with the flipped-out wobble nucleotide in the crystal structure of unbound tRNAVal

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FIGURE 2.
FIGURE 2.

Key atomic interactions in the U-turn motif of anticodon loop. Important hydrogen bonding and electrostatic interactions in forming the U-turn within the ASL of protomer A (A) and B (B) are shown. Hydrogen bonds are depicted in black dashed lines and electrostatic interactions are shown in purple. Note that the N1 of uracil assumes a partial positive charge due to the delocalization of π-electrons.

This Article

  1. Published in Advance July 27, 2021, doi: 10.1261/rna.078863.121 RNA 27: 1330-1338

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