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Location and overview of the region surrounding 23S rRNA helix H1. (A) Location of helices H1 (dark blue), H94 (teal), and H98 (purple) in the E. coli LSU. The locations of the central protuberance (CP) of the 50S subunit and head (H) of the 30S subunit are marked. (B) Structural model of the E. coli 70S ribosome (PDB:7K00) highlighting interactions between H1, H94, and H98. Nucleotides that form the interaction between these helices are colored red.
